marclazcano1 marclazcano1

22-02-2015
Mathematics

contestada

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

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apologiabiology apologiabiology

22-02-2015

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

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cclemeno cclemeno

22-02-2015

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

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