问题
解答题
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答案
50×90=4500, | 40×80=3200, | 31×30=930, | 180×5=900, | 70×140=9800, |
400×20=8000, | 23×20=460, | 25×40=1000, | 96÷3=32, | 48÷4=12, |
13×6=78, | 17×5=85, | 140×6=840, | 35×20=700, | 47×30=1410, |
360×2=720. |
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50×90=4500, | 40×80=3200, | 31×30=930, | 180×5=900, | 70×140=9800, |
400×20=8000, | 23×20=460, | 25×40=1000, | 96÷3=32, | 48÷4=12, |
13×6=78, | 17×5=85, | 140×6=840, | 35×20=700, | 47×30=1410, |
360×2=720. |