1, Chọn đáp án đúng.
Phong

Quiz
•
Mathematics
•
6th Grade
•
Hard
Thư Đặng
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A. (– 8) . (– 7) < 0
B. (– 15) . 3 > (– 2) . (– 3)
C. 2 . 18 = (– 6) . (– 6)
C. 2 . 18 = (– 6) . (– 6)
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
2, Trong các khẳng định sau khẳng định đúng là:
A. Nếu a . b > 0 thì a và b là hai số nguyên dương
B. Nếu a . b > 0 thì a và b là hai số nguyên âm
C. Nếu a . b = 0 thì a = 0 và b = 0
D. Nếu a . b < 0 thì a và b là hai số nguyên khác dấu
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
3, Giá trị của m . n2 với m = 3, n = – 5 là:
A. – 30
B. 30
C. – 75
D. 75
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
4, Giá trị của biểu thức 27 . (– 13) + 27 . (– 27) + (– 14) . (– 27) là:
A. – 702
B. 702
C. – 720
D. 720
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
5, Giá trị biểu thức M = (– 192 873) . (– 2 345) . (– 4)5 . 0 là
A. – 192 873
B. 1
C. 0
D. (– 192 873) . (– 2 345) . (– 4)5
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
6, Tính tổng S = 1 – 2 + 3 – 4 + ... + 2 017 – 2 018
A. S = – 1 006
B. S = – 1 007
C. S = – 1 008
D. S = – 1 009
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
7, (36 - 16).(-5) + 6.(-14 - 6), ta được
A. 20
B. – 20
C. – 220
D. 220
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