70.1-41.89+2.78怎样简便运算
来源：学生作业帮助网 编辑：六六作业网 时间：2024/10/06 02:11:33
70.1-41.89+2.78怎样简便运算70.1-41.89+2.78怎样简便运算70.1-41.89+2.78怎样简便运算70.1-41.89+2.78=70.1+2.78-41.89=72.88
70.1-41.89+2.78怎样简便运算
70.1-41.89+2.78怎样简便运算
70.1-41.89+2.78怎样简便运算
70.1-41.89+2.78
=70.1+2.78-41.89
=72.88-41.89
=72.88-41.88-0.01
=30.99
原式＝72.88-41.89=30.99应该没有更简单的。其实都差不多。方法。