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    精英家教网 > 小学数学 > 题目详情

    14.5×2.8－2.8×4.5=________×(　　〇　　)．

    答案：2.8,14.5,-,4.5
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    1.23÷3= 0.8×11= 1-0.75=
    1.7×0.4= 0.36÷12= 1.6+0.38=
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    2.14-0.9= 4×0.25= 10÷2.5=
    0.4×52= 1.6×0.4= 9.6÷6=
    4.3-0.4= 7-6.2= 0.86-0.3=
    8.8÷2.2= 2.6÷0.2= 0.15×3=
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    0.56÷14= 1÷0.05= 6÷12=
    0.14×5= 3×1.4= 4.9÷0.7=
    0.4÷8= 6.3+3.7= 3.5×0.2=
    0.2×12.6×5= 8.4÷4.2= 2.4×0.5=
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