Bài 1. Tìm x, biết a) $\frac{4}{7}$.x = $\frac{7}{4}$ + 125% b) _ $\frac{3}{5}$ : (2x) = $\frac{3}{2}$ + 75% Bài 2 Một phân xưởng phải hoàn thành một số sản phẩm trong 2 ngày . Ngày thứ nhất phân xưởng đó dã làm được $\frac{1}{3}$ số sản phẩm, ngày thứ hai còn phải làm tiếp 150 sản phẩm nữa mới xong . Tính số sản phẩm mà phân xưởng phải hoàn thành theo kế hoạch

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