Question

20.5x0,04+0.36简单方式计算

Answer 1

原式

=(20.5+9)*0.04

=(30-0.5)*0.04

=30*0.04-0.5*0.04

=1.18

或

原式

=20*0.04+0.5*0.04+0.36

=0.8+0.02+0.36

=1.18