Автор - liysiataganrog

реши уравнение 15,8-(2а +3,6)÷0,4=4,8

Ответ

Автор - selmash21
15.8-(2а+3.6)÷0.4=4.8
(2а+3.6)÷0.4=15.8-4.8
(2а+3.6)÷0.4=11
2а+3.6=11×0.4
2а+3.6=4.4
2а=4.4-3.6
2а=0.8
а=0.8÷2
а=0.4

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