| 年级 | 科目 | 问题描述 | 提问时间 |
| 六年级 | 数学 | 29分之16除以9分之7+29分之16x9分之2用简便方法计算 | 2014-06-25 21:26:50 |
| 用简便方法 | |||
| 余雯馨老师 2014-06-25 21:36:20 | |||
16/29÷7/9+16/29×2/9 =16/29*(9/7+2/9) =16/29*95/63 =1520/1827 | |||
| 张乐瑶 2014-06-26 12:07:43 | |||
16/29÷7/9+16/29×2/9 =16/29×9/7+16/29×2/9 =16/29×(9/7+2/9) =16/29×95/63 =1520/1827 | |||
| 徐凌 2014-07-03 18:09:48 | |||
| 一位同学和老师都说的很对！！快结贴！！我也有个答案“
16/29÷7/9+16/29×2/9 =16/29×9/7+16/29×2/9 =16/29×(9/7+2/9) =16/29×95/63 =1520/1827 | |||
