hard Set 5 Form Exercise

[?] = 15

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Answer: 15

Lhs
  • ?
Rhs
15

[4 + ?] = 11

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Answer: 7

Lhs
  • 4
  • ?
Rhs
11

[5 + ?] = 11

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Answer: 6

Lhs
  • 5
  • ?
Rhs
11

[?] = 19

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Answer: 19

Lhs
  • ?
Rhs
19

[4 + ?] = 18

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Answer: 14

Lhs
  • 4
  • ?
Rhs
18

[?] = 7

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Answer: 7

Lhs
  • ?
Rhs
7

[2 + ?] = 9

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Answer: 7

Lhs
  • 2
  • ?
Rhs
9

[1 + 10 + ?] = 30

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Answer: 19

Lhs
  • 1
  • 10
  • ?
Rhs
30

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[?] = 6

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Answer: 6

Lhs
  • ?
Rhs
6

[4 + 3 + ?] = 20

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Answer: 13

Lhs
  • 4
  • 3
  • ?
Rhs
20

[?] = 29

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Answer: 29

Lhs
  • ?
Rhs
29

[2 + 2 + ?] = 13

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Answer: 9

Lhs
  • 2
  • 2
  • ?
Rhs
13

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[3 + ?] = 15

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Answer: 12

Lhs
  • 3
  • ?
Rhs
15

[8 + 1 + ?] = 24

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Answer: 15

Lhs
  • 8
  • 1
  • ?
Rhs
24

[11 + ?] = 23

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Answer: 12

Lhs
  • 11
  • ?
Rhs
23

[8 + 10 + ?] = 30

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Answer: 12

Lhs
  • 8
  • 10
  • ?
Rhs
30

[2 + 3 + ?] = 11

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Answer: 6

Lhs
  • 2
  • 3
  • ?
Rhs
11

[3 + ?] = 8

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Answer: 5

Lhs
  • 3
  • ?
Rhs
8