medium Set 2 Form Exercise

[?] = 19

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Answer: 19

Lhs
  • ?
Rhs
19

[2 + ?] = 5

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Answer: 3

Lhs
  • 2
  • ?
Rhs
5

[2 + ?] = 9

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Answer: 7

Lhs
  • 2
  • ?
Rhs
9

[3 + ?] = 9

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Answer: 6

Lhs
  • 3
  • ?
Rhs
9

[1 + ?] = 19

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Answer: 18

Lhs
  • 1
  • ?
Rhs
19

[?] = 8

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Answer: 8

Lhs
  • ?
Rhs
8

[4 + 3 + ?] = 20

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Answer: 13

Lhs
  • 4
  • 3
  • ?
Rhs
20

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[6 + 2 + ?] = 22

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Answer: 14

Lhs
  • 6
  • 2
  • ?
Rhs
22

[4 + ?] = 21

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Answer: 17

Lhs
  • 4
  • ?
Rhs
21

[2 + 3 + ?] = 21

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Answer: 16

Lhs
  • 2
  • 3
  • ?
Rhs
21

[5 + ?] = 18

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Answer: 13

Lhs
  • 5
  • ?
Rhs
18

[?] = 8

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Answer: 8

Lhs
  • ?
Rhs
8

[?] = 7

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Answer: 7

Lhs
  • ?
Rhs
7

[5 + 1 + ?] = 17

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Answer: 11

Lhs
  • 5
  • 1
  • ?
Rhs
17

[2 + 2 + ?] = 8

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Answer: 4

Lhs
  • 2
  • 2
  • ?
Rhs
8

[5 + ?] = 18

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Answer: 13

Lhs
  • 5
  • ?
Rhs
18

[6 + ?] = 13

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Answer: 7

Lhs
  • 6
  • ?
Rhs
13

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4

[8 + ?] = 17

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Answer: 9

Lhs
  • 8
  • ?
Rhs
17