口算 × = | ÷8= | 0.375× = | 4.2+ = | 24÷ = |
| 3×3×3= | 63×10%= | 1.5×0.4= | 3.14×6= | 0.18÷3= |
× = , | ÷8= , | 0.375× = , | 4.2+ =4.8, | 24÷ =64, |
| 3×3×3=27, | 63×10%=6.3, | 1.5×0.4=0.6, | 3.14×6=18.84, | 0.18÷3=0.06. |
分析:根据分数乘除法的计算法则和小数乘除法的计算法则求解.
点评:分数的计算要注意把结果化成最简分数;小数的计算要注意小数点的位置.
编辑:chaxungu时间:2026-04-27 08:40:15分类:小学数学题库
口算 × = | ÷8= | 0.375× = | 4.2+ = | 24÷ = |
| 3×3×3= | 63×10%= | 1.5×0.4= | 3.14×6= | 0.18÷3= |
× = , | ÷8= , | 0.375× = , | 4.2+ =4.8, | 24÷ =64, |
| 3×3×3=27, | 63×10%=6.3, | 1.5×0.4=0.6, | 3.14×6=18.84, | 0.18÷3=0.06. |