hard Set 7 Form Exercise

[7 + ?] = 19

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Answer: 12

Lhs
  • 7
  • ?
Rhs
19

[10 + ?] = 33

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Answer: 23

Lhs
  • 10
  • ?
Rhs
33

[?] = 28

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Answer: 28

Lhs
  • ?
Rhs
28

[?] = 27

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Answer: 27

Lhs
  • ?
Rhs
27

[2 + 7 + ?] = 31

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Answer: 22

Lhs
  • 2
  • 7
  • ?
Rhs
31

[2 + ?] = 13

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Answer: 11

Lhs
  • 2
  • ?
Rhs
13

[2 + 2 + ?] = 16

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Answer: 12

Lhs
  • 2
  • 2
  • ?
Rhs
16

[?] = 9

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Answer: 9

Lhs
  • ?
Rhs
9

[4 + ?] = 8

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Answer: 4

Lhs
  • 4
  • ?
Rhs
8

[7 + ?] = 14

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Answer: 7

Lhs
  • 7
  • ?
Rhs
14

[4 + ?] = 29

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Answer: 25

Lhs
  • 4
  • ?
Rhs
29

[4 + ?] = 12

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Answer: 8

Lhs
  • 4
  • ?
Rhs
12

[4 + ?] = 20

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Answer: 16

Lhs
  • 4
  • ?
Rhs
20

[4 + ?] = 17

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Answer: 13

Lhs
  • 4
  • ?
Rhs
17

[3 + ?] = 33

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Answer: 30

Lhs
  • 3
  • ?
Rhs
33

[2 + ?] = 6

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Answer: 4

Lhs
  • 2
  • ?
Rhs
6

[?] = 11

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Answer: 11

Lhs
  • ?
Rhs
11

[3 + ?] = 25

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Answer: 22

Lhs
  • 3
  • ?
Rhs
25

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[3 + ?] = 14

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Answer: 11

Lhs
  • 3
  • ?
Rhs
14