Question

Вычислите: 0,7×0,7 + 1,2×1,2×1,2

Answer 1

ну 2.218тип 0.49+1.728....

Answer 2

$0.7 \times 0.7 + 1.2 \times 1.2 \times 1.2 =2.218 \\ \\ 1)0.7 \times 0.7 = 0.49 \\ \\ 2)1.2 \times 1.2 = 1.44 \\ \\ 3)1.44 \times 1.2 = 1.728 \\ \\ 4)0.49 + 1.728 = 2.218$

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