HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Trong các số 79 325; 79 532; 79 523; 79 235, số chia hết cho 2 là:
Tỉ số học sinh lớp 6A và 6B là 2:3, nếu tăng số học sinh lớp 6A thêm 8 học sinh và lớp 6B thêm 4 học sinh thì tỉ số học sinh của hai lớp là 3:4. Tính số học sinh mỗi lớp.
Cho tam giác ABC, M và N lần lượt là trung điểm của AB và AC. Vẽ MI và NK cùng vuông góc với BC. Tìm câu sai
A. MI = MK;
B. MN = IK;
C. MN = MI;
D. MK = NI
Tính nhanh:
a) (8 x 3 +1) : (4 x 2 - 2x +1);
b) ( x 2 - 3x + xy - 3y) : (x + y);
c) ( a 3 b 3 - 6 a 2 b 2 c + 12 abc 2 - 8 c 3 ) : (2c - ab).
a) Tìm số đối của các số: 15 ; − 12 ; − 3 ; 0.
b) Tìm giá trị tuyệt đối của các số: + 1 ; − 3 ; 0 ; − 20.
Tìm các số nguyên x, y sao cho: x . y = -11 và x < y.
Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
The liver has many functions, which includes detoxifying of harmful chemicals, breakdown of drugs, filtering of blood, secretion of bile and production of blood-clotting proteins.
A. The
B. which includes
C. breakdown
D. blood-clotting
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
I was an MBA student in the USA and I lived in the university’s coed dormitory. In my culture, usually, if a woman talks to a man, it is a sign of romantic interest. (23)_____, in the first few days of school, I found it strange that so many women were talking to me and I was under the impression that some women on my dormitory floor were interested in me. To (24)__________ their politeness, I would buy them flowers or offer small gifts, as is done in my country. However, I was quite surprised to see that these same women now seemed (25)______around me. One was even quite offended and told me to leave her alone. Eventually I talked to the residence adviser on my floor to see what I was doing wrong, and he explained to me the way men and women usually interact in the USA. I was quite relieved to hear that (26)____ was wrong with me, but rather with the way I was interpreting my conversations with women. Even though I did not find the love of my life while I was in the USA, I still made many good female friends afterwards (27)______I still maintain contact.
(Source: https://books.google.com.vn)
Điên vào ô 26.
A. nothing
B. something
C. anything
D. everything
Điên vào ô 24.
A. pay
B. show
C. return
D. give
Điên vào ô 23.
A. However
B. Therefore
C. Moreover
D. Otherwise