17+х+39=56+х
у*6*12=72*у
n+24+16=n+40
<span>4*m*25=m*100</span>
3,8(х-0,2)=2,28
3,8х-0,76=2,28
3,8х=2,28+0,76
3,8х=3,04
х=0,8
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24 дроби