0.37*99+0.37简便怎么算?顺便可以算的话算算1.23+3.77-0.56-1.44和3.14/0.4/2.5还有（5.2_数学解答

0.37*99+0.37简便怎么算?
顺便可以算的话算算1.23+3.77-0.56-1.44和3.14/0.4/2.5还有（5.28+2.28+5.28+5.28）*0.25!简便计算,脱式计算!请尽快回复,太急了~\(≧▽≦)/~

人气：102 ℃　时间：2020-04-10 13:16:25

解答

0.37*99+0.37=0.37*（99+1）=0.37*100=371.23+3.77-0.56-1.44=（1.23+3.77）-（0.56+1.44）=5-2=33.14/0.4/2.5=3.14/(0.4*2.5)=3.14/1=3.14（5.28+5.28+5.28+5.28）*0.25=5.28×4×0.25=5.28×1=5.28