starter Set 5 Form Exercise

[1 + ?] = 21

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Answer: 20

Lhs
  • 1
  • ?
Rhs
21

[7 + ?] = 14

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Answer: 7

Lhs
  • 7
  • ?
Rhs
14

[2 + 2 + ?] = 8

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Answer: 4

Lhs
  • 2
  • 2
  • ?
Rhs
8

[?] = 22

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Answer: 22

Lhs
  • ?
Rhs
22

[5 + ?] = 23

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Answer: 18

Lhs
  • 5
  • ?
Rhs
23

[?] = 17

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Answer: 17

Lhs
  • ?
Rhs
17

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4

[4 + 4 + ?] = 17

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Answer: 9

Lhs
  • 4
  • 4
  • ?
Rhs
17

[1 + ?] = 6

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Answer: 5

Lhs
  • 1
  • ?
Rhs
6

[?] = 8

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Answer: 8

Lhs
  • ?
Rhs
8

[7 + 4 + ?] = 21

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Answer: 10

Lhs
  • 7
  • 4
  • ?
Rhs
21

[4 + 1 + ?] = 17

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Answer: 12

Lhs
  • 4
  • 1
  • ?
Rhs
17

[3 + 1 + ?] = 17

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Answer: 13

Lhs
  • 3
  • 1
  • ?
Rhs
17

[3 + ?] = 9

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Answer: 6

Lhs
  • 3
  • ?
Rhs
9

[2 + ?] = 4

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Answer: 2

Lhs
  • 2
  • ?
Rhs
4

[3 + ?] = 11

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Answer: 8

Lhs
  • 3
  • ?
Rhs
11

[2 + 5 + ?] = 16

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Answer: 9

Lhs
  • 2
  • 5
  • ?
Rhs
16

[?] = 23

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Answer: 23

Lhs
  • ?
Rhs
23

[?] = 6

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Answer: 6

Lhs
  • ?
Rhs
6