Question

$45 \times 4 \div 54 + ( - 4) + ( + 5) \div 2 {}^{2} =$
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Answer 1

Răspuns:

$\frac{7}{12}$

Explicație pas cu pas:

$45 \times 4 \div 54 + ( - 4) + 5 \div {2}^{2} = \\ = \frac{5 \times 4}{6} - 4 + \frac{5}{4} = \\ = \frac{5 \times 2}{3} - 4 + \frac{5}{4} = \\ = \frac{10}{3} - 4 + \frac{5}{4} = \\ = \frac{7}{12}$