Question

计算下面各题,能简便算的要简算17.68/5.2+3.7 2.4*0.75+1.25/2.5 3.6*1.25+0.32

Answer 1

1、

=3.4+3.7

=7.1

2、

=2.4*3/4+0.5

=1.8+0.5

=2.3

3、

=3.6*5/4+0.08

=4.5+0.08

=4.58

4、

=(7.8+8.2)-(1.9+8.1)

=16-10

=6

5、

=7.3*(1.24+8.78)

=7.3*10.02

=7.3*(10+0.02)

=7.3*10+7.3*0.02

=73+0.146

=73.146