How to simplify each equation for example (18+9+1+12) prove youre answer

2 answers:

maria [59]4 years ago

8 0

Add all the numbers and remove the ( ) 18+9='27 27+1=28 28+12=40

3 0

This is simple math facts
18+9=27
27+1=28
28+12=40
the answer is 40

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Kitty [74]

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