Chủ đề:
Phép nhân và phép chia các đa thứcCâu hỏi:
(x-3)(x+3)-(6x3+3x2-3x) : (3x)+(x-1)(x+2)
Cm biểu thức sau ko phụ thuộc vào biến số
34. People think that he will become the genus in the future=> he is
35. I started attending this course 10 years ago=> I have
36. The car which was repaired yesterday is not cheap=> the car
37. You didn't write a letter to your parents so they were worride=> unless
38. The weather tody is hot. The weather in the future will be hotter. (and)=>
39. The police found the wonman. Her son got lost in the zoo.(whose)=>
40. The hotel luxury. It was built many years ago.(built)=>