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Математика

Authored by Аружан Сагимжан

Mathematics

Professional Development

Used 2+ times

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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 5 pts

212×(215−356)+142\frac{1}{2}\times\left(\frac{2}{15}-3\frac{5}{6}\right)+\frac{1}{4}  

-9

9

-10

-11

2.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

  xx−2<3\frac{x}{x-2}<3  

(−∞;2)∪(3;∞)\left(-\infty;2\right)\cup\left(3;\infty\right)  

(−∞;2)\left(-\infty;2\right)  

(−∞;2)∪(2;∞)\left(-\infty;2\right)\cup\left(2;\infty\right)  

(−∞;3)∪(3;∞)(−∞;3)∪(3;∞)  

3.

MULTIPLE SELECT QUESTION

2 mins • 5 pts

2−3xx+1−43×x+12−3x=43\frac{2-3x}{x+1}-\frac{4}{3}\times\frac{x+1}{2-3x}=\frac{4}{3}  

0

0;780;\frac{7}{8}  

87\frac{8}{7}  

0;870;\frac{8}{7}  

4.

MULTIPLE SELECT QUESTION

1 min • 5 pts

1x+1x−3=54\frac{1}{x}+\frac{1}{x-3}=\frac{5}{4}  

1

2

4

5.

MULTIPLE SELECT QUESTION

1 min • 5 pts

Media Image

(2;3)

(3;2)

(2;4)

(4;2)

6.

MULTIPLE SELECT QUESTION

1 min • 5 pts

5−3(x−2(x−2(x−2)))=25-3\left(x-2\left(x-2\left(x-2\right)\right)\right)=2  

3

7

-4

11

7.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

(95730−93518)×214+0,3730,2\frac{\left(95\frac{7}{30}-93\frac{5}{18}\right)\times2\frac{1}{4}+0,373}{0,2}  

23,456

23,683

23,865

14

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