Tính:

a,  6 3 1 : 6 2 1

b,  7 2 1 2 : 7

c,  2018 2 0 1 8 : 1 2018

Mark the letter A, B C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

The exercise was a piece of cake; I can do it with my eyes closed.

A. challenging

B. easy

C. boring

D. understandable

Tính 25.( -3). Từ đó suy ra kết quả:

(+25) . ( +3);

(-25) . ( -3);

(-25) . ( +3);

(+3) . ( -25).

Tính  ( - 15 ) 2

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Israel, India and Pakistan are generally believed to have nuclear weapons that use only nuclear fission.

A. There’s a general belief that that Israel, India and Pakistan should have nuclear weapons that use only nuclear fission.

B. It is generally believed that Israel, India and Pakistan have nuclear weapons that use only nuclear fission.

C. The general belief is that Israel, India and Pakistan should have nuclear weapons that use only nuclear fission.

D. It generally believes that Israel, India and Pakistan have nuclear weapons that use only nuclear fission.