[ -1.53*0.75-0.53*(-3\4)](-3)*(-3)=?

问题描述:

[ -1.53*0.75-0.53*(-3\4)](-3)*(-3)=?
好烦的数学题 - -

=(-1.53+0.53)*0.75*9
=-1*0.75*9
=-6.75呐结果真的对么 -嗯