Question

1/2 + 0,75 - 0,8(3) =
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Answer 1

Explicație pas cu pas:

$\frac{1}{2} + 0,75 - 0,8(3) = \frac{1}{2} + \frac{75}{100} - \frac{83 - 8}{90} \\ = \frac{1}{2} + \frac{3}{4} - \frac{75}{90} = \frac{1}{2} + \frac{3}{4} - \frac{5}{6} = \frac{6 + 9 - 10}{12} \\ = \frac{5}{12}$

Answer 2

Răspuns:

5/12=0,41(6)

Explicație pas cu pas

1/2+3/4-5/6=

6/12+9/12-10/12=5/12=0,41(6)