Tính giá trị biểu thức M= 60 7 13 . x + 50 8 13 . x - 11 2 13 . x biết  x = - 8 7 10

A. -870

B. -87

C. 870

D.  92 7 10

You :

a) I know how to cook, too.

b) I don’t like fish, either.

c) So do I.

d) So do I.

e) Neither do I.

f) So do I.

g) I don’t like using a lot of fish sauce, either.

h) I love soy bean food, too.

Tìm số tự nhiên n biết 3 n  = 81

a. n= 2      

B. n=4

C. n=5     

D. n=8

Đâu là tầng lớp thấp kém nhất trong xã hội thời Trần?

A. Nông dân

B. Thợ thủ công

C. Thương nhân

D. Nông nô, nô tì

Đoạn trích Hoàng Lê nhất thống chí thuộc hồi thứ bao nhiêu?

A. Hồi thứ 12

B. Hồi thứ 14

C. Hồi thứ 16

D. Hồi thứ 17

Mark the letter A, B, C or D to indicate the sentence that best combines each pairs of sentences in the following questions.

He was successful because he was determined to pursue personal goals. He was not talented.

A. In addition to his determination, his talent ensured his success in pursing his goals.

B. His determination to pursue personal goals made him successful and talented.

C. It was his determination to pursue personal goals, not talent, that contributed to his success.

D. His success lay in his natural ability, not in his determination to pursue personal goals.

Tính bằng cách thuận tiện nhất.

( 792, 36 x 0,75 + 792,36 : 4 ) : ( 7, 2 : 0,1 : 10 )

Đặt S= 1.2 + 2.3 + 3.4 + ...+ 99.100
3S = 1.2.3+2.3.3+3.4.3+...+98.99.3+99.100.3
3S= 1.2.3+2.3(4-1)+3.4(5-2)+...+98.99(100-97)+99.100(101-98)
3S= 1.2.3+2.3.4-1.2.3+3.4.5-2.3.4+...-97.98.99+99.100.101-98.99.100
3S = 99.100.101 3S = 3.33.100.101
S=33.100.101= 333300