starter Set 4 Form Exercise

[4 + 5 + ?] = 17

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Answer: 8

Lhs
  • 4
  • 5
  • ?
Rhs
17

[2 + 3 + ?] = 14

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Answer: 9

Lhs
  • 2
  • 3
  • ?
Rhs
14

[1 + 5 + ?] = 18

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Answer: 12

Lhs
  • 1
  • 5
  • ?
Rhs
18

[7 + ?] = 14

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Answer: 7

Lhs
  • 7
  • ?
Rhs
14

[2 + ?] = 20

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Answer: 18

Lhs
  • 2
  • ?
Rhs
20

[2 + 2 + ?] = 7

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Answer: 3

Lhs
  • 2
  • 2
  • ?
Rhs
7

[2 + ?] = 8

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Answer: 6

Lhs
  • 2
  • ?
Rhs
8

[5 + 3 + ?] = 21

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Answer: 13

Lhs
  • 5
  • 3
  • ?
Rhs
21

[6 + ?] = 23

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Answer: 17

Lhs
  • 6
  • ?
Rhs
23

[?] = 16

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Answer: 16

Lhs
  • ?
Rhs
16

[4 + 3 + ?] = 12

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Answer: 5

Lhs
  • 4
  • 3
  • ?
Rhs
12

[?] = 21

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Answer: 21

Lhs
  • ?
Rhs
21

[1 + ?] = 7

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Answer: 6

Lhs
  • 1
  • ?
Rhs
7

[2 + ?] = 6

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Answer: 4

Lhs
  • 2
  • ?
Rhs
6

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4

[1 + 1 + ?] = 6

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Answer: 4

Lhs
  • 1
  • 1
  • ?
Rhs
6

[4 + ?] = 20

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Answer: 16

Lhs
  • 4
  • ?
Rhs
20

[?] = 5

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Answer: 5

Lhs
  • ?
Rhs
5

[3 + 5 + ?] = 15

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Answer: 7

Lhs
  • 3
  • 5
  • ?
Rhs
15

[2 + ?] = 5

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Answer: 3

Lhs
  • 2
  • ?
Rhs
5