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  • 簡算計(jì)算(5道,

    簡算計(jì)算(5道,
    15.32*4+4.68/0.25 15/(0.15*0.4) 5.3+0.1+5.3-0.1
    0.73-0.25+0.73+0.25 27.38-5.34+2.62-4.66
    數(shù)學(xué)人氣:884 ℃時(shí)間:2020-02-05 21:30:26
    優(yōu)質(zhì)解答
    15.32*4+4.68/0.25
    =4*(15.32+4.68)
    =4*20
    =80
    15/(0.15*0.4)
    =15/0.15 * 1/0.4
    =100/0.4
    =250
    5.3+0.1+5.3-0.1
    =5.3+5.3+0.1-0.1
    =10.6+0
    =10.6
    0.73-0.25+0.73+0.25
    =0.73+0.73-0.25+0.25
    =1.46+0
    =1.46
    27.38-5.34+2.62-4.66
    =27.38+2.62-(5.34+4.66)
    =30-10
    =20
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