1)х : 23 = 15.
x=23*15
x=345
2)у : 42 = 40
y=42*40
y=1680
3)3у* 12 = 60
3y=60:12
3y=5
y=0.6
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1)х : 23 = 15.
x=23*15
x=345
2)у : 42 = 40
y=42*40
y=1680
3)3у* 12 = 60
3y=60:12
3y=5
y=0.6
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