Quiz about Strategie calcolo

Question 1

64 x 25 =

Accepted Answer

1600

Answer

1400

Answer

6000

Answer

1800

Question 2

8 x 19 =

Accepted Answer

152

Answer

162

Answer

159

Answer

142

Question 3

(1+138 : 10)⁰ =

Accepted Answer

1

Answer

0

Answer

2

Answer

impossibile

Question 4

212 =

Accepted Answer

441

Answer

401

Answer

41

Answer

442

Question 5

752 =

Accepted Answer

5625

Answer

4225

Answer

4925

Answer

4925

Question 6

65 : 2 : 5 =

Accepted Answer

6,5

Answer

6

Answer

7

Answer

6,2

Question 7

68 x 11 =

Accepted Answer

748

Answer

618

Answer

6148

Answer

648

Question 8

43 x 11 =

Accepted Answer

473

Answer

374

Answer

443

Answer

171

Question 9

36 + 10 x 3,6 =

Accepted Answer

36 + 36

Answer

46 + 3,6

Answer

36 + 30,6

Answer

36 + 4,6

Question 10

256 : 32 =

Accepted Answer

8

Answer

13

Answer

18

Answer

4

Question 11

42 x 38 =

Accepted Answer

(40+2)(40-2)

Answer

40 x 40

Answer

402

Answer

(40x2)-(40x2)

Question 12

150 x 0,3 =

Accepted Answer

15 x 3

Answer

450

Answer

500

Answer

15 : 3

Question 13

178 x 5 =

Accepted Answer

178 x 10 : 2

Accepted Answer

178 : 2 x 10

Answer

178 x 2 : 10

Answer

178 : (2 x 10)

Question 14

47 : 5 =

Accepted Answer

47 : 10 x 2

Accepted Answer

47 x 2 : 10

Accepted Answer

9,4

Answer

178 x 10 : 2

Question 15

792 =

Accepted Answer

(70+9)2 =

Accepted Answer

(80-1)2 =

Answer

(7+9)2 =

Answer

70² + 9²=

Question 16

20 x 2,5 =

Accepted Answer

2 x 25

Accepted Answer

50

Answer

500

Answer

5

Question 17

257 x 11 =

Accepted Answer

2827

Answer

2727

Answer

1257

Answer

12571

Question 18

56 : (4 : 2)

Accepted Answer

56 : 8

Accepted Answer

56 : 4 x 2

Answer

56 : 2

Answer

7

Question 19

824 : 8=

Accepted Answer

103

Answer

133

Answer

130

Answer

200

Question 20

7260 : 15=

Accepted Answer

484

Answer

548

Answer

444

Answer

524

Question 21

58 - 19

Accepted Answer

39

Answer

37

Answer

47

Answer

48

Question 22

58 - 19

Accepted Answer

39

Answer

37

Answer

47

Answer

48

Question 23

Come si trova la frazione generatrice di $$1,4\overline{6}$$

Accepted Answer

$$\frac{146-14}{90}$$

Answer

$$\frac{146}{100}$$

Answer

$$\frac{146-1}{90}$$

Answer

$$\frac{146-14}{99}$$

Question 24

Come si trova la frazione generatrice di $$1,\overline{36}$$

Accepted Answer

$$\frac{136-1}{99}$$

Answer

$$\frac{136}{100}$$

Answer

$$\frac{136-36}{99}$$

Answer

$$\frac{136-1}{90}$$

Question 25

Calcola a mente: 1000 - 111=

Accepted Answer

889

Answer

800

Answer

789

Question 26

Calcola a mente 7.200 : 900=

Accepted Answer

8

Answer

80

Answer

800

Answer

0,08

Question 27

Calcola a mente 56.000 : 800=

Accepted Answer

70

Answer

7000

Answer

700

Question 28

Calcola a mente 56.000 : 800=

Accepted Answer

70

Answer

7000

Answer

700

Answer

7

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