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1、五年級上冊數學單元測試-3.小數除法一、單選題1.我們班男生可能有(?)人。A.?23????????????????????????????????????????????B.?10????????????????????????????????????????????C.?112.5.4×0.1×10=(??)A.???10.2??????????????????????????????????????B.?5.4??????????????????????????????????????C.?
2、1.74??????????????????????????????????????D.?03.按規(guī)律填數:18,9,4.5,2.25,1.125,(???),0.28125……A.?0.5625?????????????????????????????????B.?0.125?????????????????????????????????C.?0.65?????????????????????????????????D.?0.56354.1.3除以0.7,商是1.8,余數是(??)A.?4???
3、????????????????????????????????????B.?0.4???????????????????????????????????????C.?0.04???????????????????????????????????????D.?0.055.?1.5×9.8-1.4×9.8=(??)A.??1.5?????????????????????????????????????B.?9.8?????????????????????????????????????C.?0.15?
4、????????????????????????????????????D.?0.98二、判斷題6.21.32-(6.32+8.3)=21.32-6.32-8.3=15-8.3=6.77.判斷對錯.9.2×3.8+9.2×62=9.2×(3.8+6.2)=9.2×10=928.一個三位數除以一位數,商不一定是三位數。9.檢驗一下標價是否正確?三、填空題10.直接寫出得數.4.6+5.4=________0.37+1.6=________0.78-0.43=________2.6÷2=________
5、2.4×5=________5÷2.5=________4.4×2=________7.2÷8=________6.3÷0.1=________0.42÷0.3=________8.5-2.5=________0.56×100=________11.計算(1)92.7÷4.5=________(2)8.37÷1.8=________12.不用計算,在橫線上填上<、>或=.0.45×1.1________1.1???4.5×0.01________4.5÷0.01??4.5×1.01________4
6、.5.13.直接寫出得數。0.35×8=________10.35×2=________0.4×50=________1.8×0.5=________8.03×4=________0.46×0.2=________1.5÷0.3=________6.14÷2=________3.6÷0.6=________0.63÷0.9=________0÷9.9=________6.14÷2=________14.不計算,運用規(guī)律直接填數.(1)1×9=91.2×9=10.81.23×9=11.071.234×
7、9=11.1061.2345×9=11.11051.23456×9=________1.234567×9=________1.2345678×9=________1.23456789×9=________(2)81÷9=988.2÷9=9.888.83÷9=9.8788.884÷9=9.87688.8885÷9=9.8765________÷9=________________÷9=________________÷9=________________÷9=________四、解答題15.把60.3
8、平均分成12份,每份是多少?16.按照要求把下面算式寫在適當的圈里.五、綜合題17.脫式計算與文字題(1)1、6.45÷[(5.07+3.53)×0.5](2)2、0.6與2.5的積除13.8減2.85的差,結果是多少?六、應用題18.淘氣做了90道口算,笑笑做的比他少得多,笑笑可能做了多少道?52道80道100道參考答案一、單選題1.【答案】A【解析】【解答】少一些就是少的不是很多,所以選擇A更合適。【分析】考察多少基本說法。2.【答案】B【解析】【解答】5.4×0