Report copyright - HƯỚNG DẪN SỬ DỤNG SÁCHa. (2x−3)2 = 16 b. 2.3x+2+4.3x+1=10.36 a. 4x+4x+3=4160 b. 2x−1+5.2x−2=224 a. x 15 = 8 24. b. 36 x = 54 3. c. 3 1 2:0,4=x:1 1 7. d. 1,56:2,88=2,6:x
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