hard Set 1 Form Exercise

[3 + ?] = 23

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Answer: 20

Lhs
  • 3
  • ?
Rhs
23

[3 + ?] = 13

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Answer: 10

Lhs
  • 3
  • ?
Rhs
13

[?] = 30

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Answer: 30

Lhs
  • ?
Rhs
30

[2 + ?] = 24

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Answer: 22

Lhs
  • 2
  • ?
Rhs
24

[?] = 28

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Answer: 28

Lhs
  • ?
Rhs
28

[?] = 29

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Answer: 29

Lhs
  • ?
Rhs
29

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4

[?] = 31

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Answer: 31

Lhs
  • ?
Rhs
31

[?] = 26

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Answer: 26

Lhs
  • ?
Rhs
26

[?] = 26

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Answer: 26

Lhs
  • ?
Rhs
26

[1 + 1 + ?] = 5

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Answer: 3

Lhs
  • 1
  • 1
  • ?
Rhs
5

[2 + 1 + ?] = 19

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Answer: 16

Lhs
  • 2
  • 1
  • ?
Rhs
19

[?] = 14

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Answer: 14

Lhs
  • ?
Rhs
14

[1 + 1 + ?] = 6

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Answer: 4

Lhs
  • 1
  • 1
  • ?
Rhs
6

[?] = 8

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Answer: 8

Lhs
  • ?
Rhs
8

[2 + ?] = 12

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Answer: 10

Lhs
  • 2
  • ?
Rhs
12

[3 + ?] = 24

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Answer: 21

Lhs
  • 3
  • ?
Rhs
24

[2 + 1 + ?] = 7

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Answer: 4

Lhs
  • 2
  • 1
  • ?
Rhs
7

[6 + ?] = 13

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Answer: 7

Lhs
  • 6
  • ?
Rhs
13

[9 + ?] = 31

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Answer: 22

Lhs
  • 9
  • ?
Rhs
31