1.36+1.36+8.64+6.4,简便计算?

2024-12-02 02:52:38
推荐回答(3个)
回答1:

这个算式全是加法,简便运算的方法就是"凑整",把能够凑成整数的合在一起就可以了。
1.36+1.36+8.64+6.4
=(1.36+8.64)+(1.36+6.4)
=10+7.76
=17.76

回答2:

1.36+1.36+8.64+6.4
=1.36+(1.36+8.64)+6.4
=1.36+10+6.4
=(1.36+6.4)+10
=7.76+10
=17.76

回答3:

简便计算
1.36+1.36+8.64+6.4
=(1.36+8.64)+(1.36+6.4)
=10+7.76
=17.76