Автор - konstantinv007

0,77×3,2×1,8×0,63 дробная черта 4,8×0,27×0,022×4,9​

Ответ

Автор - KelvinGlane

Ответ:

 frac{0.77 times 3.2 times 1.8 times 0.63}{4.8 times 0.27 times 0.022 times 4.9 }   =  frac{35}{1.75}  =  frac{35}{ frac{7}{4} }  = 35 div  frac{7}{4}  =  frac{35 times 4}{7}  = 5 times 4 = 20

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