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Toán 7-2

Authored by Nhài Đinh

Mathematics

1st Grade

Used 211+ times

Toán 7-2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x15=-45 tıˋm x:??\frac{\text{x}}{\text{15}}=\frac{\text{-4}}{\text{5}}\ tìm\ x:??  

-4/3

4

-1

-12

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

điểm nào thuộc đồ thị y=2x

(-1;2)

(-1;-2)

(0;2)

(1/2;4)

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

tam giác MHK vuông tại H có:

M+K>90\angle M+\angle K>90

M+K=180\angle M+\angle K=180

M+K<90\angle M+\angle K<90

M+K=90\angle M+\angle K=90

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cho ΔABC=ΔDEF, B=70, C=50; EF=3cho\ \Delta ABC=\Delta DEF,\ \angle B=70,\ \angle C=50;\ EF=3  

 D=50, BC=3\angle D=50,\ BC=3  

 D=70, BC=3\angle D=70,\ BC=3  

 D=60, BC=3\angle D=60,\ BC=3  

 D=80, BC=3\angle D=80,\ BC=3  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 4x=5y, x+y=36, tıˋm x,y\frac{4}{x}=\frac{5}{y},\ x+y=36,\ tìm\ x,y  

x=10, y=16

x=16; y=20

x=20; y=10

x=18;y=18

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Một miếng đất hình chữ nhật có chu vi 70cm; tỷ số hai cạnh là 3/4, Diện tích mảnh đất là

300 cm2

200 cm2

400cm2

150 cm2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 x+2325=35, tıˋm x\left|x+\frac{2}{3}\right|-\frac{2}{5}=\frac{3}{5},\ tìm\ x  

-1/3

1/3

-6/3

-2/3

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