Pre-Algebra, Student Edition
Pre-Algebra, Student Edition
1st Edition
ISBN: 9780078885150
Author: McGraw-Hill
Publisher: Glencoe/McGraw-Hill
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Concept explainers

Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Question
Book Icon
Chapter 2.2, Problem 20PPS
To determine

Find the value of the given expression.

Expert Solution & Answer
Check Mark

Answer to Problem 20PPS

The value of the given expression is −1 .

Explanation of Solution

Given:

The given expression is −7+(−1)+7 .

Calculation:

Use the following rules and find the result of the given expression.

  (+)×(+)=+(+)×(−)=−(−)×(+)=−(−)×(−)=+

And ‘PEDMAS’ concept.

Order of solution is

First parentheses.

Second exponent.

Third division.

Fourth multiplication.

Fifth addition.

And last subtraction.

  −7+(−1)+7=−7−1+7=−8+7=−1

  8 is greater than 7 and it has negative significance.

So the answer will be with a negative sign.

Hence the value of the given expression is −1 .

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Chapter 2.2, Problem 19PPS
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Chapter 2.2, Problem 21PPS

Chapter 2 Solutions

Pre-Algebra, Student Edition

Ch. 2.1 - Prob. 1ACYPCh. 2.1 - Prob. 1BCYPCh. 2.1 - Prob. 2ACYPCh. 2.1 - Prob. 2BCYPCh. 2.1 - Prob. 3CYPCh. 2.1 - Prob. 4ACYPCh. 2.1 - Prob. 4BCYPCh. 2.1 - Prob. 5CYPCh. 2.1 - Prob. 1CYUCh. 2.1 - Prob. 2CYU
Ch. 2.1 - Prob. 3CYUCh. 2.1 - Prob. 4CYUCh. 2.1 - Prob. 5CYUCh. 2.1 - Prob. 6CYUCh. 2.1 - Prob. 7CYUCh. 2.1 - Prob. 8CYUCh. 2.1 - Prob. 9CYUCh. 2.1 - Prob. 10CYUCh. 2.1 - Prob. 11CYUCh. 2.1 - Prob. 12CYUCh. 2.1 - Prob. 13CYUCh. 2.1 - Prob. 14CYUCh. 2.1 - Prob. 15CYUCh. 2.1 - Prob. 16PPSCh. 2.1 - Prob. 17PPSCh. 2.1 - Prob. 18PPSCh. 2.1 - Prob. 19PPSCh. 2.1 - Prob. 20PPSCh. 2.1 - Prob. 21PPSCh. 2.1 - Prob. 22PPSCh. 2.1 - Prob. 23PPSCh. 2.1 - Prob. 24PPSCh. 2.1 - Prob. 25PPSCh. 2.1 - Prob. 26PPSCh. 2.1 - Prob. 27PPSCh. 2.1 - Prob. 28PPSCh. 2.1 - Prob. 29PPSCh. 2.1 - Prob. 30PPSCh. 2.1 - Prob. 31PPSCh. 2.1 - Prob. 32PPSCh. 2.1 - Prob. 33PPSCh. 2.1 - Prob. 34PPSCh. 2.1 - Prob. 35PPSCh. 2.1 - Prob. 36PPSCh. 2.1 - Prob. 37PPSCh. 2.1 - Prob. 38PPSCh. 2.1 - Prob. 39PPSCh. 2.1 - Prob. 40PPSCh. 2.1 - Prob. 41PPSCh. 2.1 - Prob. 42PPSCh. 2.1 - Prob. 43PPSCh. 2.1 - Prob. 44PPSCh. 2.1 - Prob. 45PPSCh. 2.1 - Prob. 46PPSCh. 2.1 - Prob. 47PPSCh. 2.1 - Prob. 48PPSCh. 2.1 - Prob. 49PPSCh. 2.1 - Prob. 50PPSCh. 2.1 - Prob. 51PPSCh. 2.1 - Prob. 52PPSCh. 2.1 - Prob. 53PPSCh. 2.1 - Prob. 54PPSCh. 2.1 - Prob. 55PPSCh. 2.1 - Prob. 56PPSCh. 2.1 - Prob. 57PPSCh. 2.1 - Prob. 58PPSCh. 2.1 - Prob. 59PPSCh. 2.1 - Prob. 60PPSCh. 2.1 - Prob. 61PPSCh. 2.1 - Prob. 62PPSCh. 2.1 - Prob. 63PPSCh. 2.1 - Prob. 64HPCh. 2.1 - Prob. 65HPCh. 2.1 - Prob. 66HPCh. 2.1 - Prob. 67HPCh. 2.1 - Prob. 68HPCh. 2.1 - Prob. 69HPCh. 2.1 - Prob. 70HPCh. 2.1 - Prob. 71STPCh. 2.1 - Prob. 72STPCh. 2.1 - Prob. 73STPCh. 2.1 - Prob. 74STPCh. 2.1 - Prob. 75SRCh. 2.1 - Prob. 76SRCh. 2.1 - Prob. 77SRCh. 2.1 - Prob. 78SCh. 2.1 - Prob. 79SCh. 2.1 - Prob. 80SCh. 2.1 - Prob. 81SCh. 2.1 - Prob. 82SCh. 2.1 - Prob. 83SCh. 2.2 - Prob. 1ACYPCh. 2.2 - Prob. 1BCYPCh. 2.2 - Prob. 1CCYPCh. 2.2 - Prob. 2ACYPCh. 2.2 - Prob. 2BCYPCh. 2.2 - Prob. 3ACYPCh. 2.2 - Prob. 3BCYPCh. 2.2 - Prob. 4ACYPCh. 2.2 - Prob. 4BCYPCh. 2.2 - Prob. 5CYPCh. 2.2 - Prob. 6ACYPCh. 2.2 - Prob. 6BCYPCh. 2.2 - Prob. 1CYUCh. 2.2 - Prob. 2CYUCh. 2.2 - Prob. 3CYUCh. 2.2 - Prob. 4CYUCh. 2.2 - Prob. 5CYUCh. 2.2 - Prob. 6CYUCh. 2.2 - Prob. 7CYUCh. 2.2 - Prob. 8CYUCh. 2.2 - Prob. 9PPSCh. 2.2 - Prob. 10PPSCh. 2.2 - Prob. 11PPSCh. 2.2 - Prob. 12PPSCh. 2.2 - Prob. 13PPSCh. 2.2 - Prob. 14PPSCh. 2.2 - Prob. 15PPSCh. 2.2 - Prob. 16PPSCh. 2.2 - Prob. 17PPSCh. 2.2 - Prob. 18PPSCh. 2.2 - Prob. 19PPSCh. 2.2 - Prob. 20PPSCh. 2.2 - Prob. 21PPSCh. 2.2 - Prob. 22PPSCh. 2.2 - Prob. 23PPSCh. 2.2 - Prob. 24PPSCh. 2.2 - Prob. 25PPSCh. 2.2 - Prob. 26PPSCh. 2.2 - Prob. 27PPSCh. 2.2 - Prob. 28PPSCh. 2.2 - Prob. 29PPSCh. 2.2 - Prob. 30PPSCh. 2.2 - Prob. 31PPSCh. 2.2 - Prob. 32PPSCh. 2.2 - Prob. 33PPSCh. 2.2 - Prob. 34PPSCh. 2.2 - Prob. 35PPSCh. 2.2 - Prob. 36HPCh. 2.2 - Prob. 37HPCh. 2.2 - Prob. 38HPCh. 2.2 - Prob. 39HPCh. 2.2 - Prob. 40HPCh. 2.2 - Prob. 41HPCh. 2.2 - Prob. 42HPCh. 2.2 - Prob. 43HPCh. 2.2 - Prob. 44HPCh. 2.2 - Prob. 45STPCh. 2.2 - Prob. 46STPCh. 2.2 - Prob. 47STPCh. 2.2 - Prob. 48STPCh. 2.2 - Prob. 49SRCh. 2.2 - Prob. 50SRCh. 2.2 - Prob. 51SRCh. 2.2 - Prob. 52SRCh. 2.2 - Prob. 53SRCh. 2.2 - Prob. 54SRCh. 2.2 - Prob. 55SRCh. 2.2 - Prob. 56SRCh. 2.2 - Prob. 57SRCh. 2.2 - Prob. 58SRCh. 2.2 - Prob. 59SRCh. 2.2 - Prob. 60SRCh. 2.2 - Prob. 61SCh. 2.2 - Prob. 62SCh. 2.2 - Prob. 63SCh. 2.2 - Prob. 64SCh. 2.3 - Prob. 1ACYPCh. 2.3 - Prob. 1BCYPCh. 2.3 - Prob. 2ACYPCh. 2.3 - Prob. 2BCYPCh. 2.3 - Prob. 3CYPCh. 2.3 - Prob. 4ACYPCh. 2.3 - Prob. 4BCYPCh. 2.3 - Prob. 1CYUCh. 2.3 - Prob. 2CYUCh. 2.3 - Prob. 3CYUCh. 2.3 - Prob. 4CYUCh. 2.3 - Prob. 5CYUCh. 2.3 - Prob. 6CYUCh. 2.3 - Prob. 7CYUCh. 2.3 - Prob. 8CYUCh. 2.3 - Prob. 9CYUCh. 2.3 - Prob. 10CYUCh. 2.3 - Prob. 11CYUCh. 2.3 - Prob. 12CYUCh. 2.3 - Prob. 13PPSCh. 2.3 - Prob. 14PPSCh. 2.3 - Prob. 15PPSCh. 2.3 - Prob. 16PPSCh. 2.3 - Prob. 17PPSCh. 2.3 - Prob. 18PPSCh. 2.3 - Prob. 19PPSCh. 2.3 - Prob. 20PPSCh. 2.3 - Prob. 21PPSCh. 2.3 - Prob. 22PPSCh. 2.3 - Prob. 23PPSCh. 2.3 - Prob. 24PPSCh. 2.3 - Prob. 25PPSCh. 2.3 - Prob. 26PPSCh. 2.3 - Prob. 27PPSCh. 2.3 - Prob. 28PPSCh. 2.3 - Prob. 29PPSCh. 2.3 - Prob. 30PPSCh. 2.3 - Prob. 31PPSCh. 2.3 - Prob. 32PPSCh. 2.3 - Prob. 33PPSCh. 2.3 - Prob. 34PPSCh. 2.3 - Prob. 35PPSCh. 2.3 - Prob. 36PPSCh. 2.3 - Prob. 37PPSCh. 2.3 - Prob. 38PPSCh. 2.3 - Prob. 39PPSCh. 2.3 - Prob. 40PPSCh. 2.3 - Prob. 41HPCh. 2.3 - Prob. 42HPCh. 2.3 - Prob. 43HPCh. 2.3 - Prob. 44HPCh. 2.3 - Prob. 45STPCh. 2.3 - Prob. 46STPCh. 2.3 - Prob. 47STPCh. 2.3 - Prob. 48STPCh. 2.3 - Prob. 49SRCh. 2.3 - Prob. 50SRCh. 2.3 - Prob. 51SRCh. 2.3 - Prob. 52SRCh. 2.3 - Prob. 53SRCh. 2.3 - Prob. 54SRCh. 2.3 - Prob. 55SRCh. 2.3 - Prob. 56SRCh. 2.3 - Prob. 57SRCh. 2.3 - Prob. 58SCh. 2.3 - Prob. 59SCh. 2.3 - Prob. 60SCh. 2.3 - Prob. 61SCh. 2.4 - Prob. 1ACYPCh. 2.4 - Prob. 1BCYPCh. 2.4 - Prob. 2ACYPCh. 2.4 - Prob. 2BCYPCh. 2.4 - Prob. 3CYPCh. 2.4 - Prob. A4CYPCh. 2.4 - Prob. 4BCYPCh. 2.4 - Prob. 5ACYPCh. 2.4 - Prob. 5BCYPCh. 2.4 - Prob. 6ACYPCh. 2.4 - Prob. 6BCYPCh. 2.4 - Prob. 1CYUCh. 2.4 - Prob. 2CYUCh. 2.4 - Prob. 3CYUCh. 2.4 - Prob. 4CYUCh. 2.4 - Prob. 5CYUCh. 2.4 - Prob. 6CYUCh. 2.4 - Prob. 7CYUCh. 2.4 - Prob. 8CYUCh. 2.4 - Prob. 9CYUCh. 2.4 - Prob. 10CYUCh. 2.4 - Prob. 11PPSCh. 2.4 - Prob. 12PPSCh. 2.4 - Prob. 13PPSCh. 2.4 - Prob. 14PPSCh. 2.4 - Prob. 15PPSCh. 2.4 - Prob. 16PPSCh. 2.4 - Prob. 17PPSCh. 2.4 - Prob. 18PPSCh. 2.4 - Prob. 19PPSCh. 2.4 - Prob. 20PPSCh. 2.4 - Prob. 21PPSCh. 2.4 - Prob. 22PPSCh. 2.4 - Prob. 23PPSCh. 2.4 - Prob. 24PPSCh. 2.4 - Prob. 25PPSCh. 2.4 - Prob. 26PPSCh. 2.4 - Prob. 27PPSCh. 2.4 - Prob. 28PPSCh. 2.4 - Prob. 29PPSCh. 2.4 - Prob. 30PPSCh. 2.4 - Prob. 31PPSCh. 2.4 - Prob. 32PPSCh. 2.4 - Prob. 33PPSCh. 2.4 - Prob. 34PPSCh. 2.4 - Prob. 35PPSCh. 2.4 - Prob. 36PPSCh. 2.4 - Prob. 37PPSCh. 2.4 - Prob. 38PPSCh. 2.4 - Prob. 39PPSCh. 2.4 - Prob. 40PPSCh. 2.4 - Prob. 41PPSCh. 2.4 - Prob. 42PPSCh. 2.4 - Prob. 43HPCh. 2.4 - Prob. 44HPCh. 2.4 - Prob. 45HPCh. 2.4 - Prob. 46HPCh. 2.4 - Prob. 47HPCh. 2.4 - Prob. 48HPCh. 2.4 - Prob. 49HPCh. 2.4 - Prob. 50STPCh. 2.4 - Prob. 51STPCh. 2.4 - Prob. 52STPCh. 2.4 - Prob. 53STPCh. 2.4 - Prob. 54SRCh. 2.4 - Prob. 55SRCh. 2.4 - Prob. 56SRCh. 2.4 - Prob. 57SRCh. 2.4 - Prob. 58SRCh. 2.4 - Prob. 59SRCh. 2.4 - Prob. 60SCh. 2.4 - Prob. 61SCh. 2.4 - Prob. 62SCh. 2.4 - Prob. 63SCh. 2.5 - Prob. 1ACYPCh. 2.5 - Prob. 1BCYPCh. 2.5 - Prob. 2ACYPCh. 2.5 - Prob. 2BCYPCh. 2.5 - Prob. 3ACYPCh. 2.5 - Prob. 3BCYPCh. 2.5 - Prob. 4CYPCh. 2.5 - Prob. 1CYUCh. 2.5 - Prob. 2CYUCh. 2.5 - Prob. 3CYUCh. 2.5 - Prob. 4CYUCh. 2.5 - Prob. 5CYUCh. 2.5 - Prob. 6CYUCh. 2.5 - Prob. 7CYUCh. 2.5 - Prob. 8CYUCh. 2.5 - Prob. 9CYUCh. 2.5 - Prob. 10CYUCh. 2.5 - Prob. 11CYUCh. 2.5 - Prob. 12CYUCh. 2.5 - Prob. 13PPSCh. 2.5 - Prob. 14PPSCh. 2.5 - Prob. 15PPSCh. 2.5 - Prob. 16PPSCh. 2.5 - Prob. 17PPSCh. 2.5 - Prob. 18PPSCh. 2.5 - Prob. 19PPSCh. 2.5 - Prob. 20PPSCh. 2.5 - Prob. 21PPSCh. 2.5 - Prob. 22PPSCh. 2.5 - Prob. 23PPSCh. 2.5 - Prob. 24PPSCh. 2.5 - Prob. 25PPSCh. 2.5 - Prob. 26PPSCh. 2.5 - Prob. 27PPSCh. 2.5 - Prob. 28PPSCh. 2.5 - Prob. 29PPSCh. 2.5 - Prob. 30PPSCh. 2.5 - Prob. 31PPSCh. 2.5 - Prob. 32PPSCh. 2.5 - Prob. 33PPSCh. 2.5 - Prob. 34PPSCh. 2.5 - Prob. 35PPSCh. 2.5 - Prob. 36PPSCh. 2.5 - Prob. 37PPSCh. 2.5 - Prob. 38PPSCh. 2.5 - Prob. 39PPSCh. 2.5 - Prob. 40PPSCh. 2.5 - Prob. 41PPSCh. 2.5 - Prob. 42PPSCh. 2.5 - Prob. 43PPSCh. 2.5 - Prob. 44PPSCh. 2.5 - Prob. 45PPSCh. 2.5 - Prob. 46PPSCh. 2.5 - Prob. 47PPSCh. 2.5 - Prob. 48PPSCh. 2.5 - Prob. 49HPCh. 2.5 - Prob. 50HPCh. 2.5 - Prob. 51HPCh. 2.5 - Prob. 52HPCh. 2.5 - Prob. 53HPCh. 2.5 - Prob. 54STPCh. 2.5 - Prob. 55STPCh. 2.5 - Prob. 56STPCh. 2.5 - Prob. 57STPCh. 2.5 - Prob. 58SRCh. 2.5 - Prob. 59SRCh. 2.5 - Prob. 60SRCh. 2.5 - Prob. 61SRCh. 2.5 - Prob. 62SRCh. 2.5 - Prob. 63SRCh. 2.5 - Prob. 64SRCh. 2.5 - Prob. 65SRCh. 2.5 - Prob. 66SCh. 2.5 - Prob. 67SCh. 2.5 - Prob. 68SCh. 2.5 - Prob. 69SCh. 2.6 - Prob. 1ACYPCh. 2.6 - Prob. 1BCYPCh. 2.6 - Prob. 2ACYPCh. 2.6 - Prob. 2BCYPCh. 2.6 - Prob. 2CCYPCh. 2.6 - Prob. 3CYPCh. 2.6 - Prob. 1CYUCh. 2.6 - Prob. 2CYUCh. 2.6 - Prob. 3CYUCh. 2.6 - Prob. 4CYUCh. 2.6 - Prob. 5CYUCh. 2.6 - Prob. 6CYUCh. 2.6 - Prob. 7CYUCh. 2.6 - Prob. 8CYUCh. 2.6 - Prob. 9CYUCh. 2.6 - Prob. 10PPSCh. 2.6 - Prob. 11PPSCh. 2.6 - Prob. 12PPSCh. 2.6 - Prob. 13PPSCh. 2.6 - Prob. 14PPSCh. 2.6 - Prob. 15PPSCh. 2.6 - Prob. 16PPSCh. 2.6 - Prob. 17PPSCh. 2.6 - Prob. 18PPSCh. 2.6 - Prob. 19PPSCh. 2.6 - Prob. 20PPSCh. 2.6 - Prob. 21PPSCh. 2.6 - Prob. 22PPSCh. 2.6 - Prob. 23PPSCh. 2.6 - Prob. 24PPSCh. 2.6 - Prob. 25PPSCh. 2.6 - Prob. 26PPSCh. 2.6 - Prob. 27PPSCh. 2.6 - Prob. 28PPSCh. 2.6 - Prob. 29PPSCh. 2.6 - Prob. 30PPSCh. 2.6 - Prob. 31PPSCh. 2.6 - Prob. 32PPSCh. 2.6 - Prob. 33PPSCh. 2.6 - Prob. 34PPSCh. 2.6 - Prob. 35PPSCh. 2.6 - Prob. 36PPSCh. 2.6 - Prob. 37PPSCh. 2.6 - Prob. 38PPSCh. 2.6 - Prob. 39PPSCh. 2.6 - Prob. 40PPSCh. 2.6 - Prob. 41PPSCh. 2.6 - Prob. 42PPSCh. 2.6 - Prob. 43PPSCh. 2.6 - Prob. 44PPSCh. 2.6 - Prob. 45PPSCh. 2.6 - Prob. 46PPSCh. 2.6 - Prob. 47HPCh. 2.6 - Prob. 48HPCh. 2.6 - Prob. 49HPCh. 2.6 - Prob. 50HPCh. 2.6 - Prob. 51STPCh. 2.6 - Prob. 52STPCh. 2.6 - Prob. 53STPCh. 2.6 - Prob. 54STPCh. 2.6 - Prob. 55SRCh. 2.6 - Prob. 56SRCh. 2.6 - Prob. 57SRCh. 2.6 - Prob. 58SRCh. 2.6 - Prob. 59SRCh. 2.6 - Prob. 60SRCh. 2.6 - Prob. 61SRCh. 2.6 - Prob. 62SRCh. 2.6 - Prob. 63SCh. 2.6 - Prob. 64SCh. 2.6 - Prob. 65SCh. 2.6 - Prob. 66SCh. 2.6 - Prob. 67SCh. 2.6 - Prob. 68SCh. 2.7 - Prob. 1CYPCh. 2.7 - Prob. 2ACYPCh. 2.7 - Prob. 2BCYPCh. 2.7 - Prob. 1CYUCh. 2.7 - Prob. 2CYUCh. 2.7 - Prob. 3PPSCh. 2.7 - Prob. 4PPSCh. 2.7 - Prob. 5PPSCh. 2.7 - Prob. 6PPSCh. 2.7 - Prob. 7PPSCh. 2.7 - Prob. 8PPSCh. 2.7 - Prob. 9PPSCh. 2.7 - Prob. 10PPSCh. 2.7 - Prob. 11PPSCh. 2.7 - Prob. 12PPSCh. 2.7 - Prob. 13PPSCh. 2.7 - Prob. 14PPSCh. 2.7 - Prob. 15PPSCh. 2.7 - Prob. 16PPSCh. 2.7 - Prob. 17PPSCh. 2.7 - Prob. 18HPCh. 2.7 - Prob. 19HPCh. 2.7 - Prob. 20HPCh. 2.7 - Prob. 21HPCh. 2.7 - Prob. 22HPCh. 2.7 - Prob. 23STPCh. 2.7 - Prob. 24STPCh. 2.7 - Prob. 25STPCh. 2.7 - Prob. 26STPCh. 2.7 - Prob. 27SRCh. 2.7 - Prob. 28SRCh. 2.7 - Prob. 29SRCh. 2.7 - Prob. 30SRCh. 2.7 - Prob. 31SRCh. 2.7 - Prob. 32SRCh. 2.7 - Prob. 33SRCh. 2.7 - Prob. 34SCh. 2.7 - Prob. 35SCh. 2.7 - Prob. 36SCh. 2.7 - Prob. 37SCh. 2 - Prob. 1QCCh. 2 - Prob. 2QCCh. 2 - Prob. 3QCCh. 2 - Prob. 4QCCh. 2 - Prob. 5QCCh. 2 - Prob. 6QCCh. 2 - Prob. 7QCCh. 2 - Prob. 8QCCh. 2 - Prob. 9QCCh. 2 - Prob. 10QCCh. 2 - Prob. 11QCCh. 2 - Prob. 12QCCh. 2 - Prob. 13QCCh. 2 - Prob. 14QCCh. 2 - Prob. 15QCCh. 2 - Prob. 16QCCh. 2 - Prob. 1MCQCh. 2 - Prob. 2MCQCh. 2 - Prob. 3MCQCh. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - Prob. 7MCQCh. 2 - Prob. 8MCQCh. 2 - Prob. 9MCQCh. 2 - Prob. 10MCQCh. 2 - Prob. 11MCQCh. 2 - Prob. 12MCQCh. 2 - Prob. 13MCQCh. 2 - Prob. 14MCQCh. 2 - Prob. 15MCQCh. 2 - Prob. 16MCQCh. 2 - Prob. 17MCQCh. 2 - Prob. 18MCQCh. 2 - Prob. 19MCQCh. 2 - Prob. 20MCQCh. 2 - Prob. 21MCQCh. 2 - Prob. 22MCQCh. 2 - Prob. 23MCQCh. 2 - Prob. 24MCQCh. 2 - Prob. 25MCQCh. 2 - Prob. 1SGRCh. 2 - Prob. 2SGRCh. 2 - Prob. 3SGRCh. 2 - Prob. 4SGRCh. 2 - Prob. 5SGRCh. 2 - Prob. 6SGRCh. 2 - Prob. 7SGRCh. 2 - Prob. 8SGRCh. 2 - Prob. 9SGRCh. 2 - Prob. 10SGRCh. 2 - Prob. 11SGRCh. 2 - Prob. 12SGRCh. 2 - Prob. 13SGRCh. 2 - Prob. 14SGRCh. 2 - Prob. 15SGRCh. 2 - Prob. 16SGRCh. 2 - Prob. 17SGRCh. 2 - Prob. 18SGRCh. 2 - Prob. 19SGRCh. 2 - Prob. 20SGRCh. 2 - Prob. 21SGRCh. 2 - Prob. 22SGRCh. 2 - Prob. 23SGRCh. 2 - Prob. 24SGRCh. 2 - Prob. 25SGRCh. 2 - Prob. 26SGRCh. 2 - Prob. 27SGRCh. 2 - Prob. 28SGRCh. 2 - Prob. 29SGRCh. 2 - Prob. 30SGRCh. 2 - Prob. 31SGRCh. 2 - Prob. 32SGRCh. 2 - Prob. 33SGRCh. 2 - Prob. 34SGRCh. 2 - Prob. 35SGRCh. 2 - Prob. 36SGRCh. 2 - Prob. 37SGRCh. 2 - Prob. 38SGRCh. 2 - Prob. 39SGRCh. 2 - Prob. 40SGRCh. 2 - Prob. 41SGRCh. 2 - Prob. 42SGRCh. 2 - Prob. 43SGRCh. 2 - Prob. 44SGRCh. 2 - Prob. 45SGRCh. 2 - Prob. 46SGRCh. 2 - Prob. 47SGRCh. 2 - Prob. 48SGRCh. 2 - Prob. 49SGRCh. 2 - Prob. 50SGRCh. 2 - Prob. 51SGRCh. 2 - Prob. 52SGRCh. 2 - Prob. 53SGRCh. 2 - Prob. 54SGRCh. 2 - Prob. 55SGRCh. 2 - Prob. 56SGRCh. 2 - Prob. 57SGRCh. 2 - Prob. 58SGRCh. 2 - Prob. 59SGRCh. 2 - Prob. 60SGRCh. 2 - Prob. 61SGRCh. 2 - Prob. 1PTCh. 2 - Prob. 2PTCh. 2 - Prob. 3PTCh. 2 - Prob. 4PTCh. 2 - Prob. 5PTCh. 2 - Prob. 6PTCh. 2 - Prob. 7PTCh. 2 - Prob. 8PTCh. 2 - Prob. 9PTCh. 2 - Prob. 10PTCh. 2 - Prob. 11PTCh. 2 - Prob. 12PTCh. 2 - Prob. 13PTCh. 2 - Prob. 14PTCh. 2 - Prob. 15PTCh. 2 - Prob. 16PTCh. 2 - Prob. 17PTCh. 2 - Prob. 18PTCh. 2 - Prob. 19PTCh. 2 - Prob. 20PTCh. 2 - Prob. 21PTCh. 2 - Prob. 22PTCh. 2 - Prob. 23PTCh. 2 - Prob. 24PTCh. 2 - Prob. 25PTCh. 2 - Prob. 26PTCh. 2 - Prob. 27PTCh. 2 - Prob. 28PTCh. 2 - Prob. 29PTCh. 2 - Prob. 30PTCh. 2 - Prob. 31PTCh. 2 - Prob. 32PTCh. 2 - Prob. 33PTCh. 2 - Prob. 1ECh. 2 - Prob. 2ECh. 2 - Prob. 3ECh. 2 - Prob. 4ECh. 2 - Prob. 5ECh. 2 - Prob. 1STPCh. 2 - Prob. 2STPCh. 2 - Prob. 3STPCh. 2 - Prob. 4STPCh. 2 - Prob. 5STPCh. 2 - Prob. 6STPCh. 2 - Prob. 7STPCh. 2 - Prob. 8STPCh. 2 - Prob. 9STPCh. 2 - Prob. 10STPCh. 2 - Prob. 11STPCh. 2 - Prob. 12STPCh. 2 - Prob. 13STPCh. 2 - Prob. 14STP

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