3 years ago

An easy way to explain...

2 answers:

7 0

it's very simple, 694-72= 622
so in order for you to check you answer you do the opposite
694-72 would equal 622
622+72 would equal 694

lara31 [8.8K]3 years ago

7 0

So first u subtracted 72 and 694 and got 622. then to check ur work, u added ur sum to 72 and got 694

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