问题
解答题
|
答案
346×21≈7000 | 502×70≈35000 | 78×210≈16000 |
650×39≈26000 | 75×397≈32000 | 48×851≈42500 |
162×50≈9000 | 248×53≈12500 |
|
346×21≈7000 | 502×70≈35000 | 78×210≈16000 |
650×39≈26000 | 75×397≈32000 | 48×851≈42500 |
162×50≈9000 | 248×53≈12500 |