| 直接写出得数. 167-99= | 1.5+2.7= | = |
| 42= | = | 1-3÷7= |
| 1.25×10= | 3.6÷0.9= | 300-(75+25)= |
| 2×5÷2×5= |
| 167-99=68 | 1.5+2.7=4.2 | =![]() |
| 42=16 | =![]() | 1-3÷7=![]() |
| 1.25×10=12.5 | 3.6÷0.9=4 | 300-(75+25)=200 |
| 2×5÷2×5=25 |
,16,
,
,12.5,4,200,25.分析:根据运算法则及运算顺序进行计算,能简算的要简算.
点评:口算时,要灵活运用所学知识快速准确的进行计算.
编辑:chaxungu时间:2026-04-26 09:06:04分类:小学数学题库
| 直接写出得数. 167-99= | 1.5+2.7= | = |
| 42= | = | 1-3÷7= |
| 1.25×10= | 3.6÷0.9= | 300-(75+25)= |
| 2×5÷2×5= |
| 167-99=68 | 1.5+2.7=4.2 | =![]() |
| 42=16 | =![]() | 1-3÷7=![]() |
| 1.25×10=12.5 | 3.6÷0.9=4 | 300-(75+25)=200 |
| 2×5÷2×5=25 |
,16,
,
,12.5,4,200,25.