问题
计算题
3.26×4.25+5.75×3.26 | 4.65÷(4.65×2.5) |
18.1-2.78-7.22 | 4.5×9.9 |
答案
解:3.26×4.25+5.75×3.26
=3.26×(4.25+5.75)
=3.26×10
=32.6
=4.65÷4.65÷2.5
=1÷2.5
=0.4
解:18.1﹣2.78﹣7.22
=18.1﹣(2.78+7.22)
=18.1﹣10
=8.1
解:4.5×9.9
=4.5×(10﹣0.1)
=4.5×10﹣4.5×0.1
=45﹣0.45
=44.55