Question

2/5+3/4-1/2 egal cu

Answer 1

Răspuns:

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Answer 2

Explicație pas cu pas:

Buna !!

$^{4)} \frac{2}{5} +^{5)} \frac{3}{4} - ^{10)} \frac{1}{2} = \frac{8}{20} + \frac{15}{20} - \frac{10}{20} = \frac{8 + 15 - 10}{20} = \frac{13}{20}$

Succes !!;)

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