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

Toán Lớp 6: 2x+1=0 hỏi x = bn ;))))))))))))))))))))))))))))))))

Home/ Toán Lớp 6: 2x+1=0 hỏi x = bn ;))))))))))))))))))))))))))))))))

Toán Lớp 6: 2x+1=0 hỏi x = bn ;))))))))))))))))))))))))))))))))

Tháng Sáu 28, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: 2x+1=0 hỏi x = bn ;))))))))))))))))))))))))))))))))

Comments ( 2 )

  1. thucquyenlan
    thucquyenlan
    28 Tháng Sáu, 2022 at 7:31 chiều
    Reply
    2x+1=0
    =>2x=0-1
    =>2x=-1
    =>x=(-1):2
    =>x=-1/2
    Vậy x=-1/2
     

  2. cobelolen
    cobelolen
    28 Tháng Sáu, 2022 at 7:31 chiều
    Reply
    2x+1=0
    =>2x=0-1
    =>2x=-1
    =>x=-1:2
    =>x=-1/2
    Vậy x=-1/2
     

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

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