问题
解答题
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答案
120÷30=4, | 48×50=2400, | 360÷90=4, | 120×30=3600, | 560+44=604, |
640÷80=8, | 400÷80=5, | 982-369=613, | 460+5400=5860, | 720÷80=9, |
59×102≈6000, | 721÷90≈8, | 540÷58≈9, | 396×71≈2800, | 462÷93≈5, |
124÷21≈6, | 124×21≈2400, | 98×204≈20000, | 356÷50≈7, | 932÷93≈10. |