1
6a^3/12a^2b,4b^2/12a^2b,3ac/12a^2b
2
2m-3/m(2m+3)(2m-3),
-2m(2m+3)/m(2m+3)(2m-3),
m(2m+5)/m(2m+3)(2m-3),^这是啥a^2 表示2次方懂了祝学习进步
1.2b分之a,3a²分之b,4ab分之c;
1.2b分之a,3a²分之b,4ab分之c;
2.2m²+3m分之1,3-2m分之2,4m²-9分之2m+5
2.2m²+3m分之1,3-2m分之2,4m²-9分之2m+5
数学人气:392 ℃时间:2020-04-29 10:08:59
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