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

Toán Lớp 6: bài 10 Tìm x a) x- 3/4=1/2 b) -5/6 -x = 7/12+1/3

Toán Lớp 6: bài 10 Tìm x
a) x- 3/4=1/2
b) -5/6 -x = 7/12+1/3

Comments ( 2 )

  1. Lời giải và giải thích chi tiết:
    a)
    x – 3/4 = 1/2
    -> x = 1/2 + 3/4
    -> x = 5/4
    b)
    -5/6 – x = 7/12 + 1/3
    -> -5/6 – x = 11/12
    -> -10/12 – x = 11/12
    -> x = -21/12

  2. a) x-3/4= 1/2
    => x= 1/2+3/4
    => x= 5/4
    b) -5/6-x= 7/12+1/3
    => -5/6-x= 11/12
    => x= -21/12

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