Sate true or false.
a 7 + 15 = 15+ (-17)
b. 64 - (+64) = 0
c. (-17 + 8) + 20 = [8 + (-17)] + 20
d. (-54) + 0 = 0
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Answer:
a. false
b.true
c.true
d.false
surya9327:
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