Đường trung trực của đoạn thẳng AB là:

Đường thẳng vuông góc với AB tại trung điểm của AB

Đường thẳng vuông góc với AB

Đường thẳng đi qua trung điểm của AB

Đường thẳng song song với AB

Phát biểu nào sai:

Cặp góc so le trong bù nhau

Cặp góc so le trong bằng nhau

Cặp góc đồng vị bằng nhau

Cặp góc trong cùng phía bù nhau

Toán lớp 7

Authored by Minh Hằng Nguyễn

Mathematics

KG - 7th Grade

Used 677+ times

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15 questions

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MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Cách viết nào biểu diễn số hữu tỉ :

$\frac{5}{0}$

$\frac{-12}{20}$

$\frac{2,5}{3}$

$\frac{-1,2}{2,5}$

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Kết quả của phép tính : $4^5\div2^5$ là

$2^0$

$2^1$

$2^5$

$4^5$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cho $\left|x\right|$ =3 thì:

x=3

x=-3

x=3 hoặc x=-3

x=0

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kết quả của phép tính : $\frac{3}{4}+\frac{1}{4}\times\frac{-12}{20}$

$\frac{-12}{20}$

$\frac{3}{5}$

$\frac{-3}{5}$

$\frac{-9}{84}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cho tỉ lệ thức $\frac{x}{12}=\frac{2}{3}$ giá trị của x là:

x=8

x=10

x=9

x=6

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Kết quả của phép tính $5^3\times5^4$ là:

$25^7$

$5^{12}$

$5^7$

$10^7$

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Nếu $\frac{x}{2}=\frac{y}{3}\$ và x+y=-15

x=6 ; x=9

x=-6 ; x=-9

x=-9 ; x=-6

x=-6 ; y=9

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kết quả của phép tính $\left|-4,3\right|+\left|+7,8\right|\div2$ là:

6,05

1,75

-0,4

8,2

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