| 530-350= | 360÷15= | 2000÷0.04= | 5.65×0.4= | 33.5-14.75= |
| 7.4×0.09= | = | = | = | 343- = |
| 解:530-350=180, | 360÷15=24, | 2000÷0.04=50000, | 5.65×0.4=2.26, | 33.5-14.75=18.75, |
| 7.4×0.09=0.666, | = , | = , | = , | 343- =342 . |
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:2026-04-26 08:30:32分类:小学数学题库
| 530-350= | 360÷15= | 2000÷0.04= | 5.65×0.4= | 33.5-14.75= |
| 7.4×0.09= | = | = | = | 343- = |
| 解:530-350=180, | 360÷15=24, | 2000÷0.04=50000, | 5.65×0.4=2.26, | 33.5-14.75=18.75, |
| 7.4×0.09=0.666, | = , | = , | = , | 343- =342 . |
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