hard Set 3 Form Exercise

[3 + ?] = 7

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Answer: 4

Lhs
  • 3
  • ?
Rhs
7

[?] = 7

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Answer: 7

Lhs
  • ?
Rhs
7

[6 + 4 + ?] = 23

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Answer: 13

Lhs
  • 6
  • 4
  • ?
Rhs
23

[3 + 4 + ?] = 16

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Answer: 9

Lhs
  • 3
  • 4
  • ?
Rhs
16

[2 + ?] = 23

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Answer: 21

Lhs
  • 2
  • ?
Rhs
23

[1 + ?] = 17

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Answer: 16

Lhs
  • 1
  • ?
Rhs
17

[3 + ?] = 8

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Answer: 5

Lhs
  • 3
  • ?
Rhs
8

[1 + ?] = 13

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Answer: 12

Lhs
  • 1
  • ?
Rhs
13

[2 + ?] = 10

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Answer: 8

Lhs
  • 2
  • ?
Rhs
10

[?] = 6

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Answer: 6

Lhs
  • ?
Rhs
6

[?] = 23

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Answer: 23

Lhs
  • ?
Rhs
23

[?] = 16

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Answer: 16

Lhs
  • ?
Rhs
16

[9 + ?] = 26

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Answer: 17

Lhs
  • 9
  • ?
Rhs
26

[4 + 1 + ?] = 12

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Answer: 7

Lhs
  • 4
  • 1
  • ?
Rhs
12

[?] = 31

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Answer: 31

Lhs
  • ?
Rhs
31

[5 + 4 + ?] = 16

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Answer: 7

Lhs
  • 5
  • 4
  • ?
Rhs
16

[3 + 4 + ?] = 14

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Answer: 7

Lhs
  • 3
  • 4
  • ?
Rhs
14

[3 + ?] = 15

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Answer: 12

Lhs
  • 3
  • ?
Rhs
15

[5 + ?] = 28

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Answer: 23

Lhs
  • 5
  • ?
Rhs
28

[?] = 27

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Answer: 27

Lhs
  • ?
Rhs
27