hard Set 4 Form Exercise

[1 + 1 + ?] = 10

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Answer: 8

Lhs
  • 1
  • 1
  • ?
Rhs
10

[2 + 3 + ?] = 19

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Answer: 14

Lhs
  • 2
  • 3
  • ?
Rhs
19

[2 + 1 + ?] = 21

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Answer: 18

Lhs
  • 2
  • 1
  • ?
Rhs
21

[?] = 22

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Answer: 22

Lhs
  • ?
Rhs
22

[1 + 3 + ?] = 14

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Answer: 10

Lhs
  • 1
  • 3
  • ?
Rhs
14

[?] = 32

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Answer: 32

Lhs
  • ?
Rhs
32

[?] = 23

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Answer: 23

Lhs
  • ?
Rhs
23

[?] = 13

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Answer: 13

Lhs
  • ?
Rhs
13

[2 + 1 + ?] = 9

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Answer: 6

Lhs
  • 2
  • 1
  • ?
Rhs
9

[4 + 8 + ?] = 27

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Answer: 15

Lhs
  • 4
  • 8
  • ?
Rhs
27

[8 + ?] = 20

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Answer: 12

Lhs
  • 8
  • ?
Rhs
20

[6 + ?] = 22

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Answer: 16

Lhs
  • 6
  • ?
Rhs
22

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[2 + ?] = 19

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Answer: 17

Lhs
  • 2
  • ?
Rhs
19

[1 + 5 + ?] = 21

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Answer: 15

Lhs
  • 1
  • 5
  • ?
Rhs
21

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[5 + 7 + ?] = 33

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Answer: 21

Lhs
  • 5
  • 7
  • ?
Rhs
33

[3 + 3 + ?] = 9

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Answer: 3

Lhs
  • 3
  • 3
  • ?
Rhs
9

[4 + ?] = 29

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Answer: 25

Lhs
  • 4
  • ?
Rhs
29

[1 + 3 + ?] = 11

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Answer: 7

Lhs
  • 1
  • 3
  • ?
Rhs
11