直接写出得数．
8×8= 36÷9= 81﹣60= 6÷6=
81÷9= 8×3= 600+20= 9×3=
10÷5= 75+80= 1000﹣500= 36÷6=
相关试题
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×
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×
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÷6= 0.64×
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= 18﹣
= 1÷
= 75%÷3=直接写得数．
900×6= 70×7= 80×9= 60×5=
720÷8= 630÷9= 250÷5= 420÷7=
58×6≈ 79×4≈ 37×7≈ 313×9≈
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= 1﹣
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