五上数学暑假预习小数除法专项练习
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简介
一、口算 0.36÷0.4=0.9 2.8÷0.7=4 0.32÷0.04=8 0.63÷0.7=0.9 3.5÷0.5=7 0.48÷0.06=8 0.42÷0.6=0.7 4.2÷0.6=7 0.72÷0.08=9 0.49÷0.7=0.7 2.8÷0.7=4 0.54÷0.09=6 三、脱式计算 4.8÷0.6+3.2 =8+3.2 =11.2 9.5-5.4÷0.9 =9.5-6 =3.5 3.6÷0.4×0.5 =9×0.5 =4.5 四、简便计算 5.6÷1.25÷0.8 =5.6÷(1.25×0.8) =5.6÷1 =5.6 8.4÷(2.1÷0.5) =8.4÷2.1×0.5 =4×0.5 =2 7.2÷0.25÷4 =7.2÷(0.25×4) =7.2÷1 =7.2 10.4÷1.25÷0.8 =10.4÷(1.25×0.8) =10.4÷1 =10.4
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