题目内容：

3／4×0．35＋35％×1．65－75％ 计算简便

优质解答

=0.75*(0.35-1)+0.35*1.65
=0.75*(-0.65)+0.35*(1+0.65)
=0.65*(-0.75+0.35)+0.35
=0.65*(-0.4)+0.35
=0.09