Сложно(
Пошаговое объяснение:
Ответ:
(3 7/15-2 16/25):(⅖)²=5 1/6
3 7/15- 2 16/25=(7+3·15)/15-(16+2×25)/25=52/15-66/25=(52×5)/(15×5)-(66×3)/(25×3)=260/75-198/75=(260-198)/75=62/75
(2/5)² =4/25
62/75:4/25=62/75×25/4=(62×25)/(75×4)=1550/300=31×50\6×50=31/6=(5×6+1)/6=5 1/6
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Сложно(
Пошаговое объяснение:
Verified answer
Ответ:
(3 7/15-2 16/25):(⅖)²=5 1/6
Пошаговое объяснение:
3 7/15- 2 16/25=(7+3·15)/15-(16+2×25)/25=52/15-66/25=(52×5)/(15×5)-(66×3)/(25×3)=260/75-198/75=(260-198)/75=62/75
(2/5)² =4/25
62/75:4/25=62/75×25/4=(62×25)/(75×4)=1550/300=31×50\6×50=31/6=(5×6+1)/6=5 1/6