Ответ:
2 4/7
Пошаговое объяснение:
A = 2 6/7, b = 4 1/5, a1 = 4 2/3
S=S1
S = 2 6/7 * 4 1/5 = 20/7 * 21/5 = 420/35 = 12
S1 = a1 * b1
b1 = S1/a1 = 12 : 4 2/3 = 12 * 3/14 = 18/7 = 2 4/7
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Answers & Comments
Ответ:
2 4/7
Пошаговое объяснение:
A = 2 6/7, b = 4 1/5, a1 = 4 2/3
S=S1
S = 2 6/7 * 4 1/5 = 20/7 * 21/5 = 420/35 = 12
S1 = a1 * b1
b1 = S1/a1 = 12 : 4 2/3 = 12 * 3/14 = 18/7 = 2 4/7