expert Set 8 Form Exercise

[2 + 2 + ?] = 20

Show answer

Answer: 16

Lhs
  • 2
  • 2
  • ?
Rhs
20

[?] = 5

Show answer

Answer: 5

Lhs
  • ?
Rhs
5

[1 + ?] = 11

Show answer

Answer: 10

Lhs
  • 1
  • ?
Rhs
11

[10 + ?] = 21

Show answer

Answer: 11

Lhs
  • 10
  • ?
Rhs
21

[2 + 1 + ?] = 10

Show answer

Answer: 7

Lhs
  • 2
  • 1
  • ?
Rhs
10

[1 + 1 + ?] = 5

Show answer

Answer: 3

Lhs
  • 1
  • 1
  • ?
Rhs
5

[1 + 3 + ?] = 12

Show answer

Answer: 8

Lhs
  • 1
  • 3
  • ?
Rhs
12

[4 + 6 + ?] = 22

Show answer

Answer: 12

Lhs
  • 4
  • 6
  • ?
Rhs
22

[2 + ?] = 8

Show answer

Answer: 6

Lhs
  • 2
  • ?
Rhs
8

[?] = 11

Show answer

Answer: 11

Lhs
  • ?
Rhs
11

[7 + ?] = 23

Show answer

Answer: 16

Lhs
  • 7
  • ?
Rhs
23

[?] = 9

Show answer

Answer: 9

Lhs
  • ?
Rhs
9

[9 + ?] = 21

Show answer

Answer: 12

Lhs
  • 9
  • ?
Rhs
21

[?] = 6

Show answer

Answer: 6

Lhs
  • ?
Rhs
6

[4 + 4 + ?] = 17

Show answer

Answer: 9

Lhs
  • 4
  • 4
  • ?
Rhs
17

[?] = 21

Show answer

Answer: 21

Lhs
  • ?
Rhs
21

[6 + ?] = 19

Show answer

Answer: 13

Lhs
  • 6
  • ?
Rhs
19

[9 + ?] = 21

Show answer

Answer: 12

Lhs
  • 9
  • ?
Rhs
21

[2 + 5 + ?] = 18

Show answer

Answer: 11

Lhs
  • 2
  • 5
  • ?
Rhs
18

[3 + ?] = 7

Show answer

Answer: 4

Lhs
  • 3
  • ?
Rhs
7