(1-3m)/2 - (2m+5)/3 + (3+2m)/4
=[6(1-3m)-4(2m+5)+3(3+2m)]/12
=(-5-20m)/12
=-(5+20m)/12
化简:(1-3m)/2 - (2m+5)/3 + (3+2m)/4
化简:(1-3m)/2 - (2m+5)/3 + (3+2m)/4
数学人气:493 ℃时间:2020-03-30 22:26:20
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