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~\(≧▽≦)/~
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 16:23:39
![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~\(≧▽≦)/~](/uploads/image/z/105137-17-7.jpg?t=0.37%2A99%2B0.37%E7%AE%80%E4%BE%BF%E6%80%8E%E4%B9%88%E7%AE%97%3F%E9%A1%BA%E4%BE%BF%E5%8F%AF%E4%BB%A5%E7%AE%97%E7%9A%84%E8%AF%9D%E7%AE%97%E7%AE%971.23%2B3.77-0.56-1.44%E5%92%8C3.14%2F0.4%2F2.5%E8%BF%98%E6%9C%89%EF%BC%885.28%2B2.28%2B5.28%2B5.28%EF%BC%89%2A0.25%21%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97%21%E8%AF%B7%E5%B0%BD%E5%BF%AB%E5%9B%9E%E5%A4%8D%2C%E5%A4%AA%E6%80%A5%E4%BA%86%7E%5C%28%E2%89%A7%E2%96%BD%E2%89%A6%29%2F%7E)
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~\(≧▽≦)/~
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~\(≧▽≦)/~
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~\(≧▽≦)/~
0.37*99+0.37
=0.37*(99+1)
=0.37*100
=37
1.23+3.77-0.56-1.44
=(1.23+3.77)-(0.56+1.44)
=5-2
=3
3.14/0.4/2.5
=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
0.37*99+0.37 =0.37*(99+1)=37
1.23+3.77-0.56-1.44 = 5 -2 =3
3.14/0.4/2.5 = 3.14 / 1 =3.14
(5.28+2.28+5.28+5.28)*0.25=(5+2+5+5 + 0.28+ 0.28+ 0.28+ 0.28)/4=17/4 +0.28=4.25+0.28=4.53
0.37*(99+1)=0.37*100=37 结合律