Ответ:
76•x=38•50
76x=1900
x=1900:76
x=25
12*10x=480
10x=480:12
10x=40
x=40:10
x=4
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Ответ:
76•x=38•50
76x=1900
x=1900:76
x=25
12*10x=480
10x=480:12
10x=40
x=40:10
x=4