Algèbre (addition et soustraction seulement)

u + 7 = 9

• u = 16

• u = 5

• u = 2

• u = 12

f + 6 = 13

• f = 7

• f = 8

• f = 12

• f = 19

x + 4 = 10

• x = 14

• x = 6

• x = 4

• x = 8

z + 9 = 15

• z = 9

• z = 5

• z = 24

• z = 6

3 + p = 9

• p = 12

• p = 5

• p = 10

• p = 6

2 + a = 14

• a = 10

• a = 12

• a = 16

• a = 8

5 + j = 9

• j = 4

• j = 7

• j = 3

• j = 9

10 + w = 18

• w = 28

• w = 6

• w = 18

• w = 8

12 - h = 5

• h = 7

• h = 8

• h = 15

• h = 17

8 - g = 3

• g = 12

• g = 4

• g = 11

• g = 5