精品偷拍一区二区三区,亚洲精品永久 码,亚洲综合日韩精品欧美国产,亚洲国产日韩a在线亚洲

  • <center id="usuqs"></center>
  • 
    
  • 我要10道遞等式計算題...

    我要10道遞等式計算題...
    0.64×25×7.8+2.2
    2÷2.5+2.5÷2
    194-64.8÷1.8×0.9
    36.72÷4.25×9.9
    5180-705×6
    24÷2.4-2.5×0.8
    (4121+2389)÷7
    671×15-974
    469×12+1492
    405×(3213-3189)
    數(shù)學人氣:251 ℃時間:2019-12-06 19:38:12
    優(yōu)質(zhì)解答
    問題補充:0.64×25×7.8+2.2
    =0.16*4*25*7.8+2.2
    =0.16*100*7.8+2.2
    =16*7.8+2.2
    =127
    2÷2.5+2.5÷2
    =4/5+5/4
    =2.05
    194-64.8÷1.8×0.9
    =194-36*0.9
    =194-32.4
    =161.6
    36.72÷4.25×9.9
    =8.64*9.9
    =85.536
    5180-705×6
    =5180-4230
    =950
    24÷2.4-2.5×0.8
    =10-2
    =8
    (4121+2389)÷7
    =6510/7
    =930
    671×15-974
    =10065-974
    =9091
    469×12+1492
    =5628+1492
    =7120
    405×(3213-3189)
    =405*24
    =9720
    我來回答
    類似推薦
    請使用1024x768 IE6.0或更高版本瀏覽器瀏覽本站點,以保證最佳閱讀效果。本頁提供作業(yè)小助手,一起搜作業(yè)以及作業(yè)好幫手最新版!
    版權(quán)所有 CopyRight © 2012-2024 作業(yè)小助手 All Rights Reserved. 手機版