Question

4.25*5.24*1.52*2.51的简便算法

Answer 1

4.25*5.24*1.52*2.51

=4.25*8*0.19*1.31*4*2.51

=34*0.19*1.31*10.04

=6.46*1.31*10.04

=8.4626*10.04

=84.626+0.338504

=84.964504