问题
解答题
口算
|
答案
12×4=48, | 2×23=46, | 14×5=70, | 70-6=64, | 100×7=700, | 40×5=200, |
18×5=90, | 42×3=126, | 2×41=82, | 300×9=2700, | 0×5=0, | 80÷4=20, |
120÷6=20, | 48÷4=12, | 200÷5=40, | 69÷3=23, | 300÷6=50, | 100÷5=20. |
口算
|
12×4=48, | 2×23=46, | 14×5=70, | 70-6=64, | 100×7=700, | 40×5=200, |
18×5=90, | 42×3=126, | 2×41=82, | 300×9=2700, | 0×5=0, | 80÷4=20, |
120÷6=20, | 48÷4=12, | 200÷5=40, | 69÷3=23, | 300÷6=50, | 100÷5=20. |