LinconCesar13 LinconCesar13

13-03-2017
Mathematics

contestada

Calcule o valor da expressão abaixo

A) (1/3 + 1/2) - (5/6 - 3/4) =

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13-03-2017

(1/3+1/2)-(5/6-3/4)=
1/3+1/2-5/6+3/4=
4/12+6/12-10/12+9/12=
10/12-1/12=
9/12=
3/4

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