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  • 100道非小數(shù)的謝謝

    100道非小數(shù)的謝謝
    懸賞10愛要不要.
    數(shù)學(xué)人氣:446 ℃時間:2020-05-07 21:12:29
    優(yōu)質(zhì)解答
    95.6*18+0.4*18
    =(95.6+0.4)*18
    =96*18
    =1728
    2.907*99+907
    =907*(99+1)
    =907*100
    =90700
    3.0.6*143-0.6*43
    =0.6*(143-43)
    =0.6*100
    =60
    4.6.5*8+3.5*8-47
    =(6.5+3.5)*8-47
    =80-47
    =33
    5.14*2.25+14*3.75
    =(2.25+3.75)*14
    =6*14
    =84
    6.3.5*0.8+5.5*0.8+0.8
    =(3.5+5.5+1)*0.8
    =10*0.8
    =8
    7.7.28-1.5*2.4+2.72
    =(7.28+2.72)-1.5*2.4
    =10-3.6
    =6.4
    8.0.125*45.6*0.8
    =0.125*0.8*45.6
    =4.56
    9.98*1.5+10.2*15
    =9.8*15+10.2*15
    =(9.8+10.2)*15
    =20*15
    =300
    10.76*3.7+76*6.3
    =76*(3.7+6.3)
    =76*10
    =760
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