А) 7,2*100/30=24 24*100/30=80
Б) 2,94*100/24=12,25 12,25*100/25=49
В) 136,8*100/80=171 171*100/38=450
г) 0,98*100/70=1,4 1,4*100/35=4
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А) 7,2*100/30=24 24*100/30=80
Б) 2,94*100/24=12,25 12,25*100/25=49
В) 136,8*100/80=171 171*100/38=450
г) 0,98*100/70=1,4 1,4*100/35=4