6a-5b+2ab+5b-3a合并同类项

问题描述:

6a-5b+2ab+5b-3a合并同类项

6a-5b+2ab+5b-3a
=3a+2ab
=a(3+2b)2mn-mn/3-5m^2n+4nm^22mn-mn/3-5m²n+4nm²=mn(2-1/3-5m+4m)=mn(5/3-m)