Ответ:
(X+5)8=56
X+5=56:8
X+5=7
X=7-5
X=2
(2+5)*8=56
56=56
(x+5)8=56=8x+40=56=8x=56-40=8x=16=x=2
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Ответ:
(X+5)8=56
X+5=56:8
X+5=7
X=7-5
X=2
(2+5)*8=56
56=56
Ответ:
(x+5)8=56=8x+40=56=8x=56-40=8x=16=x=2