Автор - nerovnya3751

(3 1/8+1 3/4)х=2 1/4

Ответ

Автор - Penguin0406
(31/8 + 26/8)х = 42/8
57/8 х=42/8
х = 42/8 ÷ 57/8
х= 42/8 • 8/57
х= 42/57=14/19

Ответ

Автор - Botakoz000
25/8x+7/4x=9/4
39/8x=9/4
x=9•8/4•39
x=72/156=18:39

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