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

Toán Lớp 6: `Tính:` `150+50= x` `2030 +70 = y` `x + y – 2300 = z` `Tìm\ z` * z chính tình yêu crush dành cho mình :(

Toán Lớp 6: Tính:
150+50= x
2030 +70 = y
x + y – 2300 = z
Tìm\ z
* z chính tình yêu crush dành cho mình 🙁

Comments ( 2 )

  1. 150 + 50 = x
    200 = x
    ⇒ x = 200
    2030 + 70 = y
    2100 = y
    ⇒ y = 2100
    x + y – 2300 = z
    200 + 2100 – 2300 = z
    2300 – 2300 = z
    0 = z
    Vậy z = 0

  2. 150 + 50 = 200 => x = 200
    2030 + 70 = 2100 => y = 2100
    200 + 2100 – 2300 = 2300 – 2300 = 0 => z = 0
    Vậy z = 0
    #dtkc

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