问题
解答题
口算
|
答案
30×12=360, | 90×30=2700, | 17×3=51, | 210÷7=30, |
160×4=640, | 720+58=778, | 765-60=705, | 190×2=380, |
3000÷6=500, | 600×20=12000, | 300×60=18000, | 150×4=600. |
口算
|
30×12=360, | 90×30=2700, | 17×3=51, | 210÷7=30, |
160×4=640, | 720+58=778, | 765-60=705, | 190×2=380, |
3000÷6=500, | 600×20=12000, | 300×60=18000, | 150×4=600. |