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    精英家教网 > 小学数学 > 题目详情
    144.15÷15.5÷0.03=
    21.44÷3.2-1.8=
    39.22÷3.7×2.5=
    6.02÷9.3-1.14=
     6.12÷3.4÷2.5=
    9.36×9÷1.8=
    分析：（1）（3）（5）（6）按照从左到右的顺序计算；
    （2）（4）先算除法，再算减法．
    解答：解：（1）144.15÷15.5÷0.03
    =9.3÷0.03
    =310；

    （2）21.44÷3.2-1.8
    =6.7-1.8
    =4.9；

    （3）39.22÷3.7×2.5
    =10.6×2.5
    =26.5；

    （4）6.02÷9.3-1.14
    ≈0.65-1.14
    =-0.49；

    （5）6.12÷3.4÷2.5
    =1.8÷2.5
    =0.72；

    （6）9.36×9÷1.8
    =84.24÷1.8
    =46.8．
    点评：此题考查小数的混合运算，注意抓住运算顺序，正确按运算顺序计算即可．
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