hard Set 9 Form Exercise

[?] = 25

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Answer: 25

Lhs
  • ?
Rhs
25

[2 + ?] = 26

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Answer: 24

Lhs
  • 2
  • ?
Rhs
26

[8 + ?] = 20

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Answer: 12

Lhs
  • 8
  • ?
Rhs
20

[7 + ?] = 28

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Answer: 21

Lhs
  • 7
  • ?
Rhs
28

[2 + ?] = 8

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Answer: 6

Lhs
  • 2
  • ?
Rhs
8

[2 + ?] = 7

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Answer: 5

Lhs
  • 2
  • ?
Rhs
7

[5 + ?] = 10

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Answer: 5

Lhs
  • 5
  • ?
Rhs
10

[4 + 9 + ?] = 30

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Answer: 17

Lhs
  • 4
  • 9
  • ?
Rhs
30

[3 + 8 + ?] = 28

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Answer: 17

Lhs
  • 3
  • 8
  • ?
Rhs
28

[4 + 1 + ?] = 12

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Answer: 7

Lhs
  • 4
  • 1
  • ?
Rhs
12

[2 + 1 + ?] = 7

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Answer: 4

Lhs
  • 2
  • 1
  • ?
Rhs
7

[4 + ?] = 14

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Answer: 10

Lhs
  • 4
  • ?
Rhs
14

[5 + ?] = 18

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Answer: 13

Lhs
  • 5
  • ?
Rhs
18

[?] = 19

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Answer: 19

Lhs
  • ?
Rhs
19

[6 + 6 + ?] = 18

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Answer: 6

Lhs
  • 6
  • 6
  • ?
Rhs
18

[7 + 3 + ?] = 23

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Answer: 13

Lhs
  • 7
  • 3
  • ?
Rhs
23

[2 + ?] = 4

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Answer: 2

Lhs
  • 2
  • ?
Rhs
4

[1 + 2 + ?] = 6

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Answer: 3

Lhs
  • 1
  • 2
  • ?
Rhs
6

[1 + 1 + ?] = 5

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Answer: 3

Lhs
  • 1
  • 1
  • ?
Rhs
5

[1 + 1 + ?] = 4

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Answer: 2

Lhs
  • 1
  • 1
  • ?
Rhs
4