Question

.
(c) (-7)-(-9) = 2
or 1-(-1)=2
(d) (-10) + 10 = 0 or 5+ (-5) = 0
Can you write more pairs in these examples?
EXERCISE 1.2
OOO
1. Write down a pair of integers whose:
(a) sum is -7
(b) difference is -10 (c) sum is 0
SCORES
90
2. (a) Write a pair of negative integers whose difference gives 8.
(b) Write a negative integer and a positive integer whose sum is-5.
(C) Write a negative integer and a positive integer whose difference is –3.
3. In a quiz, team A scored –40, 10,0 and team B scored 10, 0, -40 in three successive
rounds. Which team scored more? Can we say that we can add integers in
UA
any order?
SCORES 10
4. Fill in the blanks to make the following statements true:
(1) (-5)+(-8) = (-8) + (............)
= -53
00
(1) -53 +
= 0
(m) 17+
= 13+ [(-12)+(-7)]
m 113 +(- 12)] +(.​

Answer 1

Step-by-step explanation:

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