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

Toán Lớp 6: Tìm x biết 7 – x I 3 +I= 625 : 5^3

Toán Lớp 6: Tìm x biết 7 – x I 3 +I= 625 : 5^3

Comments ( 2 )

  1. 7 – x | +3 | = 625 : 125
    7 – 3 × x = 5
    3 × x = 7- 5
    3 × x = 2
    x = 2 : 3
    x = 2/3

  2. 7-x|+3|=625:5^3
    7-3x=625:125
    7-3x=5
    3x=7-5
    3x=2
    x=2/3

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

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