expert Set 1 Form Exercise

[5 + ?] = 17

Show answer

Answer: 12

Lhs
  • 5
  • ?
Rhs
17

[?] = 5

Show answer

Answer: 5

Lhs
  • ?
Rhs
5

[3 + ?] = 21

Show answer

Answer: 18

Lhs
  • 3
  • ?
Rhs
21

[7 + 1 + ?] = 22

Show answer

Answer: 14

Lhs
  • 7
  • 1
  • ?
Rhs
22

[3 + ?] = 7

Show answer

Answer: 4

Lhs
  • 3
  • ?
Rhs
7

[5 + 4 + ?] = 23

Show answer

Answer: 14

Lhs
  • 5
  • 4
  • ?
Rhs
23

[1 + 5 + ?] = 21

Show answer

Answer: 15

Lhs
  • 1
  • 5
  • ?
Rhs
21

[4 + 3 + ?] = 14

Show answer

Answer: 7

Lhs
  • 4
  • 3
  • ?
Rhs
14

[5 + 5 + ?] = 15

Show answer

Answer: 5

Lhs
  • 5
  • 5
  • ?
Rhs
15

[5 + 3 + ?] = 16

Show answer

Answer: 8

Lhs
  • 5
  • 3
  • ?
Rhs
16

[?] = 21

Show answer

Answer: 21

Lhs
  • ?
Rhs
21

[?] = 15

Show answer

Answer: 15

Lhs
  • ?
Rhs
15

[?] = 9

Show answer

Answer: 9

Lhs
  • ?
Rhs
9

[2 + ?] = 5

Show answer

Answer: 3

Lhs
  • 2
  • ?
Rhs
5

[2 + 2 + ?] = 7

Show answer

Answer: 3

Lhs
  • 2
  • 2
  • ?
Rhs
7

[4 + 4 + ?] = 12

Show answer

Answer: 4

Lhs
  • 4
  • 4
  • ?
Rhs
12

[4 + 4 + ?] = 16

Show answer

Answer: 8

Lhs
  • 4
  • 4
  • ?
Rhs
16

[6 + 6 + ?] = 19

Show answer

Answer: 7

Lhs
  • 6
  • 6
  • ?
Rhs
19

[1 + 4 + ?] = 23

Show answer

Answer: 18

Lhs
  • 1
  • 4
  • ?
Rhs
23

[2 + 2 + ?] = 9

Show answer

Answer: 5

Lhs
  • 2
  • 2
  • ?
Rhs
9