| 简算: 9000÷125÷8 | 0.125×5.6+ ×2.4. |
=9000÷(125×8),
=9000÷1000,
=9;
(2)0.125×5.6+
×2.4,=0.125×5.6+0.125×2.4,
=0.125×(5.6+2.4),
=0.125×8,
=1.
分析:(1)运用除法的性质简算;
(2)把分数化为小数,运用乘法分配律简算.
点评:完成本题要注意分析式中数据,运用合适的简便方法计算.
编辑:chaxungu时间:2026-04-27 07:24:11分类:小学数学题库
| 简算: 9000÷125÷8 | 0.125×5.6+ ×2.4. |
×2.4,