HOC24
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Lam was lazy, so he did not finish his homework. ->Because of................
I, ve drunk six cups of coffee today. I have got a headache. (Because)
Tìm x, biết :1) (15 + x) : 3 = 315 : 3122) 123 – 5.(x + 4) = 383) (3x – 6). 3 = 344) 3636: (12x – 91) = 36