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ÔN TOÁN 7 CUỐI KÌ 1

Authored by Việt Harry

Mathematics

7th Grade

Used 14+ times

ÔN TOÁN 7 CUỐI KÌ 1
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tính: 16+13\frac{1}{6}+\frac{1}{3}

23\frac{2}{3}

14\frac{1}{4}

11

12\frac{1}{2}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tính: 15⋅16−15\frac{1}{5}\cdot\frac{1}{6}-\frac{1}{5}

16\frac{1}{6}

19\frac{1}{9}

−16\frac{-1}{6}

530\frac{5}{30}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tính nhanh: M = (−13)2 + 12 − 19 + 14M\ =\ \left(\frac{-1}{3}\right)^2\ +\ \frac{1}{2}\ -\ \frac{1}{9}\ +\ \sqrt[]{\frac{1}{4}}

12\frac{1}{2}

00

11

14\frac{1}{4}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Các phép tính nào sau đây bằng x100x^{100}

x50⋅x2x^{50}\cdot x^2

x200: x2x^{200}:\ x^2

x80⋅x20x^{80}\cdot x^{20}

x500: x5x^{500}:\ x^5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nếu x3⋅xn= x30x^3\cdot x^n=\ x^{30} vậy giá trị của n n\ là

1010

3030

2828

2727

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kết quả của phép tính: (23)400: (−49)199\left(\frac{2}{3}\right)^{400}:\ \left(-\frac{4}{9}\right)^{199}

23\frac{2}{3}

−49-\frac{4}{9}

(23)3\left(\frac{2}{3}\right)^3

49\frac{4}{9}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cho 40= 6,3245553...\sqrt[]{40}=\ 6,3245553... . Hãy làm tròn 40\sqrt[]{40} đến hàng phần nghìn.

6,326,32

6,3246,324

6,3266,326

6,3256,325

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