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

Toán Lớp 6: 1.Tìm x a) ( -25 ) + 15+ x = 50 b) (-25) + 15+ x = -35 c) (-25) + 15 +x = -10

Toán Lớp 6: 1.Tìm x
a) ( -25 ) + 15+ x = 50
b) (-25) + 15+ x = -35
c) (-25) + 15 +x = -10

Comments ( 2 )

  1. Xiin ctlhn+5*+cảm ơn:3
    Chúc em thi học kì đạt kết quả cao nhé ^^ 
    @mind
    #hoidap247

    toan-lop-6-1-tim-a-25-15-50-b-25-15-35-c-25-15-10

  2. 1.Tìm x
    a) ( -25 ) + 15+ x = 50
     − 25 + 15 + x = 50
     – 10 + x = 50
     x – 10 = 50
    x = 50 + 10
    x = 60
    b) (-25) + 15+ x = -35
    – 25 + 15 + x = – 35
    – 10 + x = – 35
    x – 10 = – 35
    x = – 35 + 10
    x = – 25
    c) (-25) + 15 +x = -10
    – 25 + 15 + x = – 10
    – 10 + x = – 10 
    x – 10 = – 10
    x = – 10 + 10
    x = 0

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