Kết quả tìm kiếm

Ex1: Rewrite these sentences. 1. They made jean cloth completely from cotton in the 18th century. => Jean cloth was made completely from cotton in the 18th century. 2. I started learning English three years ago. => I've learned English for three years. 3. When did Helen and Robert get...

Khi nào có bài tập ạ? Hôm nay là thứ 6->học sách cũ phải không ạ?

1 Bear out = confirm The other witnesses will bear out what I say Xác nhận 2 Bring in = introduce They want to bring in a bill to limit arms exports Giới thiệu 3 Gear up for = prepare for Cycle organizations are gearing up for National Bike Week. Chuẩn bị 4 Pair up with = team up with...

Ex1: -add up to sthg: equal. -call around: phone many different places or people. -chip in: help. -dress up: wear nice clothing. -eat out: eat at a restaurant. -get back: return. -go ahead: start, proceed. -grow up: become an adult...

Ex1: Verb form Yesterday, an Australian friend suggested (suggest) a tour into "the bush". I agreed (agree) at once. The first thing I noticed (notice) when we were (be) in the bush were (be) the flies. After a while, I remembered (remember) the talk I had had in London before I came (come)...

@Đoàn Hoàng Lâm Anh ơi, tiện thể cho em hỏi mình muốn làm cái sign như anh thì mình làm sao ạ?

Thế em làm vậy đúng hay sai ạ?

Cho em hỏi là mình dấu <=> hay = khi thực hiện dạng toán này ạ. Em thì lần đầu sử dụng phần gõ công thức nên bấm cực chậm luôn.

a) x - 3\sqrt{x} + 2 = x-2\sqrt{x}-\sqrt{x}+2 = \sqrt{x}(\sqrt{x}-1) - 2(\sqrt{x}-1) =(\sqrt{x}-1)(\sqrt{x}-2) b) x-7\sqrt{x}+6 =x-\sqrt{x}-6\sqrt{x}+6 =\sqrt{x}(\sqrt{x}-1)-6(\sqrt{x}-1) =(\sqrt{x}-6)(\sqrt{x}-1)

Cho em hỏi là mình lưu bài viết ở đâu ạ?