Question

（8.1-5.4）/3.6+85.25要简便 1.25*35*0.25简便

Answer 1

（8.1-5.4）/3.6+85.25

=2.7/3.6+85.25

=0.75+85.25

=86

1.25*32*0.25

=1.25×8×4×0.25

=10×1

=10