问题
解答题
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答案
15×60=900, | 110×40=4400, | 3500÷7=500, | 150×40=6000, |
8×100=800, | 3.24+0.5=3.74, | 3.6+6.4=10, | 56÷8+7=14, |
51×19≈1000, | 301×49=14749, | 92÷30≈3, | 100×73=7300. |
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15×60=900, | 110×40=4400, | 3500÷7=500, | 150×40=6000, |
8×100=800, | 3.24+0.5=3.74, | 3.6+6.4=10, | 56÷8+7=14, |
51×19≈1000, | 301×49=14749, | 92÷30≈3, | 100×73=7300. |