Question

1.5*(15+9.28/3.25 )怎么简便

Answer 1

1.5*(15+9.28/3.25 )

=1.5*15+1.5*9*9.28/3.25

=22.5+0.3*9.28/0.65

=22.5*0.3*928/65

=22.5+3*928/650

=45/2+2784/650

=45*325/650+2784/650

=14625/650+2784/650

=17409/650

估计你这题目有点问题.