hard Set 4 Form Exercise

[2 + 4 + ?] = 12

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Answer: 6

Lhs
  • 2
  • 4
  • ?
Rhs
12

[9 + ?] = 20

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Answer: 11

Lhs
  • 9
  • ?
Rhs
20

[2 + ?] = 16

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Answer: 14

Lhs
  • 2
  • ?
Rhs
16

[5 + ?] = 19

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Answer: 14

Lhs
  • 5
  • ?
Rhs
19

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[2 + ?] = 12

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Answer: 10

Lhs
  • 2
  • ?
Rhs
12

[?] = 24

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Answer: 24

Lhs
  • ?
Rhs
24

[4 + 9 + ?] = 27

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Answer: 14

Lhs
  • 4
  • 9
  • ?
Rhs
27

[3 + 7 + ?] = 25

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Answer: 15

Lhs
  • 3
  • 7
  • ?
Rhs
25

[4 + 3 + ?] = 32

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Answer: 25

Lhs
  • 4
  • 3
  • ?
Rhs
32

[?] = 17

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Answer: 17

Lhs
  • ?
Rhs
17

[1 + 2 + ?] = 6

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Answer: 3

Lhs
  • 1
  • 2
  • ?
Rhs
6

[4 + 2 + ?] = 12

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Answer: 6

Lhs
  • 4
  • 2
  • ?
Rhs
12

[?] = 30

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Answer: 30

Lhs
  • ?
Rhs
30

[5 + 1 + ?] = 20

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Answer: 14

Lhs
  • 5
  • 1
  • ?
Rhs
20

[1 + ?] = 10

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Answer: 9

Lhs
  • 1
  • ?
Rhs
10

[5 + ?] = 31

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Answer: 26

Lhs
  • 5
  • ?
Rhs
31

[?] = 28

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Answer: 28

Lhs
  • ?
Rhs
28

[7 + 5 + ?] = 26

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Answer: 14

Lhs
  • 7
  • 5
  • ?
Rhs
26

[3 + 1 + ?] = 9

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Answer: 5

Lhs
  • 3
  • 1
  • ?
Rhs
9