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

Toán Lớp 8: 1) x^2 – 9x = 0 2) x(x – 4) – x^2 = 7 3) 3x + 2(x – 5) = 5 4) 25x^2 – 1 = 0 5) 3x(x – 2

Toán Lớp 8: 1) x^2 – 9x = 0 2) x(x – 4) – x^2 = 7 3) 3x + 2(x – 5) = 5
4) 25x^2 – 1 = 0 5) 3x(x – 2) – 5(x – 2) = 0 6) 3x(x – 7) + 4(x – 7) = 0
7) 4x^2 – 9 = 0 8) 10x(x – 4) + 2x – 8 = 0 9) x(2x – 5) – 2x^2 = 0
10) 2x^2 – 4x = 0 11) 2x(3 – 4x) + 3(4x – 3) = 0 12) 2x (x – 5) – 2x^2 = 3
Gấp ạ

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
     

    toan-lop-8-1-2-9-0-2-4-2-7-3-3-2-5-5-4-25-2-1-0-5-3-2

  2. có chỗ nào ko hiểu thì bn hỏi lại mình nha , vote cho mình câu tl hay nhất nha ☺️☺️
    toan-lop-8-1-2-9-0-2-4-2-7-3-3-2-5-5-4-25-2-1-0-5-3-2

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