3.75*735-8分之3*5730+16.2*62.5要简算.

问题描述:

3.75*735-8分之3*5730+16.2*62.5
要简算.

3.75*735-8分之3*5730+16.2*62.5
=2756.25-2148.75+1012.5
=1620

=0.375*10*735-0.375*5730+16.2*62.5
=0.375*7350-0.375*5730+16.2*62.5
=0.375*(7350-5730)+1620*0.01*62.5
=0.375*1620+1620*0.625
=(0.375+0.625)*1620
=1*1620
=1620