medium Set 4 Form Exercise

[2 + 2 + ?] = 6

Show answer

Answer: 2

Lhs
  • 2
  • 2
  • ?
Rhs
6

[7 + ?] = 15

Show answer

Answer: 8

Lhs
  • 7
  • ?
Rhs
15

[?] = 20

Show answer

Answer: 20

Lhs
  • ?
Rhs
20

[1 + 1 + ?] = 6

Show answer

Answer: 4

Lhs
  • 1
  • 1
  • ?
Rhs
6

[3 + 1 + ?] = 14

Show answer

Answer: 10

Lhs
  • 3
  • 1
  • ?
Rhs
14

[?] = 17

Show answer

Answer: 17

Lhs
  • ?
Rhs
17

[4 + 6 + ?] = 21

Show answer

Answer: 11

Lhs
  • 4
  • 6
  • ?
Rhs
21

[1 + ?] = 21

Show answer

Answer: 20

Lhs
  • 1
  • ?
Rhs
21

[5 + ?] = 11

Show answer

Answer: 6

Lhs
  • 5
  • ?
Rhs
11

[2 + 1 + ?] = 10

Show answer

Answer: 7

Lhs
  • 2
  • 1
  • ?
Rhs
10

[4 + ?] = 21

Show answer

Answer: 17

Lhs
  • 4
  • ?
Rhs
21

[?] = 15

Show answer

Answer: 15

Lhs
  • ?
Rhs
15

[10 + ?] = 20

Show answer

Answer: 10

Lhs
  • 10
  • ?
Rhs
20

[3 + 2 + ?] = 15

Show answer

Answer: 10

Lhs
  • 3
  • 2
  • ?
Rhs
15

[3 + ?] = 6

Show answer

Answer: 3

Lhs
  • 3
  • ?
Rhs
6

[?] = 8

Show answer

Answer: 8

Lhs
  • ?
Rhs
8

[4 + 4 + ?] = 18

Show answer

Answer: 10

Lhs
  • 4
  • 4
  • ?
Rhs
18

[5 + 2 + ?] = 20

Show answer

Answer: 13

Lhs
  • 5
  • 2
  • ?
Rhs
20

[?] = 11

Show answer

Answer: 11

Lhs
  • ?
Rhs
11

[1 + ?] = 13

Show answer

Answer: 12

Lhs
  • 1
  • ?
Rhs
13