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Mathematics

9th

grade

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3上 1-1 連比例

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  • 1. Multiple Choice
    1 minute
    1 pt

    ab≠0,若5a=3babbc,則(a+5b):(b+3c)之比值為何?

  • 2. Multiple Choice
    1 minute
    1 pt

    某家三兄弟每月的零用錢總和為8140元,已知大哥零用錢的3倍是二哥零用錢的4倍,二哥零用錢的3倍也剛好是小弟零用錢的4倍,那麼小弟每月的零用錢有多少元?

    3256

    1980

    2220

    2960

  • 3. Multiple Choice
    1 minute
    1 pt

    若(bc):(ac):(ab)=7:6:4,則abc=?

    5:3:9

    4:6:7

    9:3:5

    3:5:9

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