expert Set 1 Form Exercise

[5 + 7 + ?] = 21

Show answer

Answer: 9

Lhs
  • 5
  • 7
  • ?
Rhs
21

[1 + ?] = 7

Show answer

Answer: 6

Lhs
  • 1
  • ?
Rhs
7

[2 + 2 + ?] = 14

Show answer

Answer: 10

Lhs
  • 2
  • 2
  • ?
Rhs
14

[2 + 1 + ?] = 7

Show answer

Answer: 4

Lhs
  • 2
  • 1
  • ?
Rhs
7

[2 + 1 + ?] = 8

Show answer

Answer: 5

Lhs
  • 2
  • 1
  • ?
Rhs
8

[4 + ?] = 16

Show answer

Answer: 12

Lhs
  • 4
  • ?
Rhs
16

[5 + 4 + ?] = 17

Show answer

Answer: 8

Lhs
  • 5
  • 4
  • ?
Rhs
17

[?] = 21

Show answer

Answer: 21

Lhs
  • ?
Rhs
21

[?] = 5

Show answer

Answer: 5

Lhs
  • ?
Rhs
5

[?] = 14

Show answer

Answer: 14

Lhs
  • ?
Rhs
14

[5 + 1 + ?] = 16

Show answer

Answer: 10

Lhs
  • 5
  • 1
  • ?
Rhs
16

[4 + ?] = 8

Show answer

Answer: 4

Lhs
  • 4
  • ?
Rhs
8

[?] = 14

Show answer

Answer: 14

Lhs
  • ?
Rhs
14

[1 + 1 + ?] = 5

Show answer

Answer: 3

Lhs
  • 1
  • 1
  • ?
Rhs
5

[?] = 18

Show answer

Answer: 18

Lhs
  • ?
Rhs
18

[5 + 3 + ?] = 18

Show answer

Answer: 10

Lhs
  • 5
  • 3
  • ?
Rhs
18

[1 + 3 + ?] = 15

Show answer

Answer: 11

Lhs
  • 1
  • 3
  • ?
Rhs
15

[5 + 3 + ?] = 23

Show answer

Answer: 15

Lhs
  • 5
  • 3
  • ?
Rhs
23

[1 + ?] = 7

Show answer

Answer: 6

Lhs
  • 1
  • ?
Rhs
7

[?] = 12

Show answer

Answer: 12

Lhs
  • ?
Rhs
12