HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
1. The lesson took place in a small school in England.
2. The lesson was about the seasons of the year .
3. The teacher asked Tom not to talk .
4. The teacher asked the class to listen to him and tell him the best time for apples.
5. Tom said : “ It is when the farmer is not at home and there is no dog in the garden “.
Còn nhiều con
1.for -> since 2. many -> much 3. keeping -> keep 4. among -> between 5.have -> take
For
\(\frac{1}{3x}+\frac{2}{5\left(x+1\right)}=0=>\frac{5\left(x+1\right)+6x}{3x\left(5x+1\right)}=0\). Ta có ĐKXĐ là x khác 0, x khác -1/5
Khử mẫu ta có: \(5\left(x+1\right)+6x=0=>11x+1=0=>11x=-1=>x=-11\), ta có x=-11 thỏa mãn ĐKXĐ nên phương trình có nghiệm x=-11