Chủ đề:
Bài 8: Tính chất của dãy tỉ số bằng nhauCâu hỏi:
a/2 = b/5 , b/4=c/7
và 2a-b+c=31
chuyển sang câu điều kiện nha m.n
1 we didn't hurry,so we were late for the concert
2 In order to get a driver's license, you must be at least 18 yeast old
3 Ann's having a lot of trouble because she lost hẻ passport last week
4 The soil would become poor unless the farmer added fertiliers
5 It was hẻ determination which enable her to get better so quickly