\(\dfrac{-2x+1}{-3}\)=\(\dfrac{x+2}{4}\)

tìm x

\(\dfrac{x}{2}\)=\(\dfrac{x-1}{3}\)

tìm x 

( x +0,1 ) x ( x - \(\dfrac{2}{7}\) )= 0

1. Đặt câu hỏi cho câu: He doesn't often spend time drawing pictures.

                                  My grandmother usually jogs before bedtime.

2. Viết câu thứ hai với nghĩa tương đương: Is it difficult for you to dance? ( difficulty )