(-9) +_ = 0
(-45) +_ = (-45)
(-4) + [5+17] = [(-4) +_ ] +17
0+_ + (-17)
(-17)+(-37) = (-37) +_
Answers
Answered by
2
Answer:
1.9
2.0
3.0
4.-17
Step-by-step explanation:
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Answered by
3
Answer:
(-9)+9=0
(-45)+0=(-45)
(-4)+[5+17]=[(-4)+5]+17
0+(-17)=17
(-17)+(-37)=(-37)+(-17)
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