Quiz about PRE EXAMEN Cálculo mental

Question 1

$$20+18=$$

Accepted Answer

+38

Answer

-38

Answer

-28

Answer

+28

Answer

+2

Question 2

$$864+36=$$

Accepted Answer

900

Answer

990

Answer

909

Answer

890

Answer

809

Question 3

$$60\ por\ 500=$$

Accepted Answer

30,000

Answer

30,030

Answer

3,000

Answer

300,000

Answer

3,030

Question 4

$$42\ entre\ 6\ por\ 5=$$

Accepted Answer

35

Answer

40

Answer

$$\frac{3}{4}$$

Answer

225

Answer

0.5

Question 5

$$5^3-5=$$

Accepted Answer

120

Answer

125

Answer

10

Answer

25

Answer

155

Question 6

$$\frac{1}{2}+\frac{3}{4}-\frac{2}{8}=$$

Accepted Answer

$$\frac{4}{4}$$

Answer

$$\frac{6}{8}$$

Answer

2

Answer

8

Answer

$$\frac{6}{4}$$

Question 7

$$0.5+\frac{3}{4}=$$

Accepted Answer

1.25

Answer

0.75

Answer

1.50

Answer

$$\frac{4}{5}$$

Answer

$$\frac{1}{2}$$

Question 8

$$\frac{2}{3}\ de\ 99=$$

Accepted Answer

66

Answer

33

Answer

43

Answer

36

Answer

63

Question 9

$$\left(0.6\right)\left(80\right)=$$

Accepted Answer

48

Answer

480

Answer

4.8

Answer

0.48

Answer

0.048

Question 10

$$25\%\ de\ 200=$$

Accepted Answer

50

Answer

100

Answer

75

Answer

125

Answer

25

Question 11

$$7+8 imes8=$$

Accepted Answer

71

Answer

120

Answer

64

Answer

15

Answer

56

Question 12

$$-8+5=$$

Accepted Answer

-3

Answer

+3

Answer

-13

Answer

+13

Answer

-40

Question 13

$$3^{3=}$$

Accepted Answer

27

Answer

9

Answer

6

Answer

0

Answer

33

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