expert Set 3 Form Exercise

[2 + 1 + ?] = 15

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Answer: 12

Lhs
  • 2
  • 1
  • ?
Rhs
15

[5 + ?] = 10

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Answer: 5

Lhs
  • 5
  • ?
Rhs
10

[8 + ?] = 21

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Answer: 13

Lhs
  • 8
  • ?
Rhs
21

[?] = 23

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Answer: 23

Lhs
  • ?
Rhs
23

[4 + ?] = 21

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Answer: 17

Lhs
  • 4
  • ?
Rhs
21

[2 + 1 + ?] = 23

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Answer: 20

Lhs
  • 2
  • 1
  • ?
Rhs
23

[?] = 9

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Answer: 9

Lhs
  • ?
Rhs
9

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[1 + 3 + ?] = 15

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Answer: 11

Lhs
  • 1
  • 3
  • ?
Rhs
15

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4

[3 + ?] = 20

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Answer: 17

Lhs
  • 3
  • ?
Rhs
20

[2 + ?] = 10

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Answer: 8

Lhs
  • 2
  • ?
Rhs
10

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[4 + 6 + ?] = 22

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Answer: 12

Lhs
  • 4
  • 6
  • ?
Rhs
22

[4 + ?] = 14

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Answer: 10

Lhs
  • 4
  • ?
Rhs
14

[5 + 1 + ?] = 18

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Answer: 12

Lhs
  • 5
  • 1
  • ?
Rhs
18

[1 + 1 + ?] = 6

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Answer: 4

Lhs
  • 1
  • 1
  • ?
Rhs
6

[4 + ?] = 15

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Answer: 11

Lhs
  • 4
  • ?
Rhs
15

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[3 + 2 + ?] = 11

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Answer: 6

Lhs
  • 3
  • 2
  • ?
Rhs
11