Answer:

26+42=68

12+20=32

3+(-7)= -4

4+(-9)= -5

15+(-5)=10

16+(-17)= -1

16+17=33

5+5=10

8+(-8)=0

0+(-1)= -1

Step-by-step explanation:

hope it's help po

pa brainliest po

Answer:

1.68

6. I used K,C,C

for this answer

16 is keep (+) is change to minus(-)and -17 change to positive so 16- 17 is to 34 because if the two numbers are same of negative or positive it will be add

2.32

7.-16+17 use K, C, C or keep change change to know the answer

8.-5+5use K,C,C.again

3.-3+(-7) use K,C,C again

1.15+(-5) use K,C,C again

9.-8+(-8)don't if I see this don't use keep change change because it has a similarities

3.-4+(-9)don't use the K,C,C they have similarities

10.0+(-1) oopsie sorry I don't know this now sorry

EXPLANATION:

note:use K,C,C if they are not similarities but if you see this -+(-) or +-(+) don't use the K,C,C if you think they are similar

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