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DINH LY TALET

Authored by Lâm Hiền

Mathematics

Professional Development

Used 6+ times

DINH LY TALET
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5 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Viết tỉ số cặp đoạn thẳng có độ dài như sau: AB = 4dm, CD = 20dm

ABCD=14\frac{AB}{CD}=\frac{1}{4}

ABCD=15\frac{AB}{CD}=\frac{1}{5}

ABCD=16\frac{AB}{CD}=\frac{1}{6}

ABCD=17\frac{AB}{CD}=\frac{1}{7}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Tìm độ dài x trong hình sau

4cm

16cm

8cm

9cm

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Chọn câu trả lời đúng: Cho hình bên, biết DE // AC, tìm x?

6,5

6,25

5

8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Tìm độ dài x cho hình vẽ sau biết MN//BC

2,75

5

3,75

2,25

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Tìm độ dài x, y trong hình sau

x=25; y=10x=2\sqrt{5};\ y=10

x=105; y=9x=10\sqrt{5};\ y=9

x=65; y=10x=6\sqrt{5};\ y=10

x=55; y=10x=5\sqrt{5};\ y=10

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