我今晚也是这作业,我只会4题,也在问
54.9×0.38 4.05×37.85 1.25×0.7×0.8
1个回答
相关问题
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口算与估算.85×4=200×8=0×38=0×0=33×2=41×7=32×2=512×0=32×9≈102×7≈49
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用简便方法计算8.8×0.125 2.5×1.25×32 7.6×5.3+3.7×7.6 37÷0.25÷4 3.85×
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(1)4.6×3.7+54×0.37;
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直接写得数12.7-(8.65+2.7) 92.5×0.25×4 6.7×0.9+6.7×0.1 8.25×9.9+0.
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口算5×0.9= 0.42÷7= 0.4÷8= 3.9×0= 86÷0.1= 30×0.05= 20+12.3= 54÷
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9,7×8,8+0.85×2+0,85 简便计算
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简便运算4.7×3.4+0.47×53+4.7×1.3 0.25×0.9÷0,·25÷0,9 0,25×0,9÷0,25
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列竖式计算. 0.37×0.4= 1.06×25= 27×0.43= 0.6×0.39= 1.7×0.86= 1.8×2
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用简便计算计算下列脱式:37.2×5.4+3.28×54=0.8888×0.8+0.1111×1.6=9.99×7.78
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0.9×0.5= 0.7×0.8= 0.6×1.2= 1.7×0.3= 0.1×9.2= 0.4×1.3= 0.7×1.