问题
解答题
口算
|
答案
39÷3=13, | 70+41=111, | 1200÷4=300, | 22+57=79, | 960÷3=320, |
707÷7=101, | 70×90=6300, | 3.5+1.5=5, | 30×40=1200, | 200÷5=40. |
口算
|
39÷3=13, | 70+41=111, | 1200÷4=300, | 22+57=79, | 960÷3=320, |
707÷7=101, | 70×90=6300, | 3.5+1.5=5, | 30×40=1200, | 200÷5=40. |