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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: 5225- ( 215 – ( 3x – 18 )) = 25

Home/ Toán Lớp 6: 5225- ( 215 – ( 3x – 18 )) = 25

Toán Lớp 6: 5225- ( 215 – ( 3x – 18 )) = 25

Tháng Bảy 21, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: 5225- ( 215 – ( 3x – 18 )) = 25

Comments ( 2 )

  1. behocgioitoan
    behocgioitoan
    21 Tháng Bảy, 2022 at 1:59 sáng
    Reply
    5225-[215-(3x-18)]=25
    ⇔215-(3x-18)=5225-25
    ⇔3x-18=215-5200
    ⇔3x=-4985+18
    ⇔x=-4967: 3
    ⇔x=-4967/3

  2. thanhthuythu
    thanhthuythu
    21 Tháng Bảy, 2022 at 1:59 sáng
    Reply
    #laviken#
    5225-[215-(3x-18)]=25
    =>215-(3x-18)=5200
    =>3x-18=-4985
    =>3x=-4967
    =>x=-4967/3
     

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222-9+11+12:2*14+14 = ? ( )

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