expert Set 5 Form Exercise

[?] = 6

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Answer: 6

Lhs
  • ?
Rhs
6

[?] = 15

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Answer: 15

Lhs
  • ?
Rhs
15

[3 + ?] = 9

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Answer: 6

Lhs
  • 3
  • ?
Rhs
9

[6 + 1 + ?] = 20

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Answer: 13

Lhs
  • 6
  • 1
  • ?
Rhs
20

[?] = 18

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Answer: 18

Lhs
  • ?
Rhs
18

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[3 + 1 + ?] = 9

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Answer: 5

Lhs
  • 3
  • 1
  • ?
Rhs
9

[?] = 13

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Answer: 13

Lhs
  • ?
Rhs
13

[3 + 1 + ?] = 9

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Answer: 5

Lhs
  • 3
  • 1
  • ?
Rhs
9

[?] = 10

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Answer: 10

Lhs
  • ?
Rhs
10

[1 + 3 + ?] = 10

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Answer: 6

Lhs
  • 1
  • 3
  • ?
Rhs
10

[9 + ?] = 23

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Answer: 14

Lhs
  • 9
  • ?
Rhs
23

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[3 + 6 + ?] = 20

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Answer: 11

Lhs
  • 3
  • 6
  • ?
Rhs
20

[?] = 20

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Answer: 20

Lhs
  • ?
Rhs
20

[?] = 6

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Answer: 6

Lhs
  • ?
Rhs
6

[1 + ?] = 5

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Answer: 4

Lhs
  • 1
  • ?
Rhs
5

[9 + ?] = 23

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Answer: 14

Lhs
  • 9
  • ?
Rhs
23

[4 + 3 + ?] = 21

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Answer: 14

Lhs
  • 4
  • 3
  • ?
Rhs
21

[6 + ?] = 16

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Answer: 10

Lhs
  • 6
  • ?
Rhs
16