Ответ: 1 3/10 ; 2 3/4
Пошаговое объяснение:
х+2 4/5=4 1/10 х = 4 1/10 - 2 4/5 = 4 1/10 - 2 8/10 = 3 11/10 -2 8/10 = 1 3/10
х = 1 3/10
4 1/2 - х = 1 3/4 х = 4 1/2 - 1 3/4 = 4 2/4 - 1 3/4 = 3 6/4 - 1 3/4 = 2 3/4
х = 2 3/4
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Ответ: 1 3/10 ; 2 3/4
Пошаговое объяснение:
х+2 4/5=4 1/10 х = 4 1/10 - 2 4/5 = 4 1/10 - 2 8/10 = 3 11/10 -2 8/10 = 1 3/10
х = 1 3/10
4 1/2 - х = 1 3/4 х = 4 1/2 - 1 3/4 = 4 2/4 - 1 3/4 = 3 6/4 - 1 3/4 = 2 3/4
х = 2 3/4