Автор - kruc99

Решите уравнение: x + 3 5⁄8 + 2 3⁄8 = 8 3⁄8 + 1 5⁄8;

.Вычислите: (6 12⁄15 - 2 8⁄10) + (3 5⁄15 + 8 14⁄20

Ответ

Автор - isom
х+5 8/8=9 8/8
х+6=10
х=10-6
х=4

(6 24/30 - 2 24/30)+(3 20/60+8 42/60)= 4 + 11 62/60 = 4 + 12 2/60 = 4+ 12 1/30 = 16 1/30

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