Ответ:
(4-11/33×1 1/21)×5 5/8 = 20
Пошаговое объяснение:
1) 14/33 × 1 1/21 = 14/33 × 21/22 = 14×2/3×21 = 4/9
2) 4 - 4/9 = 35-4/9 = 32/9 = 3 5/9
3) 32/9 × 5 5/8 = 32/9 × 45/8 = 4 × 5 = 20
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Ответ:
(4-11/33×1 1/21)×5 5/8 = 20
Пошаговое объяснение:
1) 14/33 × 1 1/21 = 14/33 × 21/22 = 14×2/3×21 = 4/9
2) 4 - 4/9 = 35-4/9 = 32/9 = 3 5/9
3) 32/9 × 5 5/8 = 32/9 × 45/8 = 4 × 5 = 20