Question 1

Calculer: $21+7.7=?$

Accepted Answer

28,7

Question 2

Calculer: $15.6-8.9=?$

Accepted Answer

6.7

Question 3

Calculer: $3.5	imes 5.4=?$

Accepted Answer

18.90

Question 4

Calculer: $15.5\div 0.5=?$

Accepted Answer

31.0

Question 5

Calculer: $(-4)+(-9)=?$

Accepted Answer

-13

Question 6

Calculer: $(+7)-(-6)=?$

Accepted Answer

+13

Question 7

Calculer: $(-12)	imes (-4)=?$

Accepted Answer

48

Question 8

Calculer: $(-12)\div (+12)=?$

Accepted Answer

-1

Question 9

Calculer et simplifier: $\dfrac{3}{5}+\dfrac{1}{2}=?$

Accepted Answer

$\dfrac{11}{10}$

Answer

$\dfrac{2}{5}$

Answer

$\dfrac{4}{7}$

Answer

$\dfrac{3}{10}$

Question 10

Calculer et simplifier: $\dfrac{2}{3}-\dfrac{1}{4}=?$

Accepted Answer

$\dfrac{5}{12}$

Answer

$\dfrac{1}{-1}$

Answer

$0$

Answer

$\dfrac{1}{7}$

Question 11

Calculer et simplifier: $\dfrac{12}{5}	imes \dfrac{15}{21}=?$

Accepted Answer

$\dfrac{12}{7}$

Answer

$\dfrac{27}{26}$

Answer

$\dfrac{4}{21}$

Answer

$\dfrac{180}{105}$

Question 12

Calculer et simplifier: $\dfrac{5}{6}\div \dfrac{3}{4}=?$

Accepted Answer

$\dfrac{10}{9}$

Answer

$\dfrac{5}{8}$

Answer

$\dfrac{8}{10}$

Answer

$\dfrac{15}{24}$

Question 13

Calculer: $3^2=?$

Accepted Answer

9

Question 14

Calculer: $(-3)^3=?$

Accepted Answer

-27

Question 15

Calculer: $1^4=?$

Accepted Answer

1

Question 16

Calculer: $11^0=?$

Accepted Answer

1

Question 17

Calculer: $\sqrt{121}=?$

Accepted Answer

11

Question 18

Calculer: $\sqrt[3]{64}=?$

Accepted Answer

4

Question 19

Calculer: $\sqrt{0}=?$

Accepted Answer

0

Question 20

Calculer: $\sqrt{81}=?$

Accepted Answer

9

Question 21

Calculer: $12-3	imes 7=?$

Accepted Answer

-9

Question 22

Calculer: $3+5^2-22+4	imes 2=?$

Accepted Answer

14

Question 23

Calculer: $\sqrt{8	imes 5+3^2}=?$

Accepted Answer

7

Question 24

Calculer: $(-\sqrt{9}	imes 5+15)^3=?$

Accepted Answer

0

Question 25

Estime la valeur la plus proche de: $940	imes 7653$

Accepted Answer

$10'000'000$

Answer

$100'000$

Answer

$1'000'000$

Answer

$100'000'000$

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