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  • 1. 口算。                                                                                                                                      

    8.7-1.75=

    0.03×10=

    0.72÷0.9=

    0.125×0.4=

    =

    =

    =

    1-=

    3×1.4=

    1.56÷0.78=

    0.63÷0.7=

    10-0.55=

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