3；3；0.111；2.5；2.4；0；0.8；4.3；3.4；0.27
2.7÷0.9= 0.75×4= 0.37×0.3= 12.5÷5= 0.8×5×0.6= 0÷0.02= 1.6×5×
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相关问题
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用递等式计算：①0.6-0.2×1.9÷7.6；②5÷ 5 7 - 5 7 × 1 5 ；③1.02÷（5+0.4×0.
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7.2+2.8= 0.9÷0.01= 3.5+7.6= 3×0.2×0.5= 0.96÷0.3= 1.5×0.4= 7÷
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口算． 4×1.2=2.8÷7=0.36×3=6.5÷0.5=5-0.4=3.01+1.5=0.9×0.7=9÷100=
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1÷0.5= 5÷40= 2.4×3= 0.8×0.5= 12-8.9= 3.2÷0.8= 4.01÷100= 1.7×
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9.1×3= 0.8×7= 5.6÷2= 11÷3= 40×0.5= 10-0.1= 2.48÷0.8= 2.1÷0.7
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4.5÷0.9﹦ 2.5×4﹦ 25×3.3×0﹦ 294×3≈ 420÷58≈ 2.5×0.4= 0.3÷0.1﹦ 7
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直接写出得数．1.8÷0.6= 5.2×5= 6.3÷0.7= 1.25×0.8= 17×0.3= 0.96÷2= 0×
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做考卷,.2＋2.8＝ 0.9÷0.01＝ 3.5＋7.6＝3×0.2×0.5＝ 0.96÷0.3＝ 1.5×0.4＝7
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口算与估算．100×0.1= 0.69÷6.9= 48×0.5= 3.75÷2.5= 4.25÷0.6≈ 3.54×0.
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(1-30%x)×0.5=0.35 [0.5—（0.75－0.6）]÷0.7 0.75+×+75%×