| 125+45= | 2.6-0.7= | = | 4.8÷0.08= | 1.36+0.64= |
= | = | 9.3+9.3×99= | = | = |
| 解:125+45=170, | 2.6-0.7=1.9, | =1, | 4.8÷0.08=60, | 1.36+0.64=2, |
= , | = , | 9.3+9.3×99=930, | =2, | =24. |
分析:根据整数、小数和分数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步计算即可.
编辑:chaxungu时间:2026-04-27 08:29:57分类:小学数学题库
| 125+45= | 2.6-0.7= | = | 4.8÷0.08= | 1.36+0.64= |
= | = | 9.3+9.3×99= | = | = |
| 解:125+45=170, | 2.6-0.7=1.9, | =1, | 4.8÷0.08=60, | 1.36+0.64=2, |
= , | = , | 9.3+9.3×99=930, | =2, | =24. |