medium Set 1 Form Exercise

[8 + ?] = 20

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Answer: 12

Lhs
  • 8
  • ?
Rhs
20

[?] = 6

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Answer: 6

Lhs
  • ?
Rhs
6

[?] = 8

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Answer: 8

Lhs
  • ?
Rhs
8

[3 + 3 + ?] = 10

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Answer: 4

Lhs
  • 3
  • 3
  • ?
Rhs
10

[2 + ?] = 19

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Answer: 17

Lhs
  • 2
  • ?
Rhs
19

[2 + 4 + ?] = 14

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Answer: 8

Lhs
  • 2
  • 4
  • ?
Rhs
14

[4 + 4 + ?] = 17

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Answer: 9

Lhs
  • 4
  • 4
  • ?
Rhs
17

[?] = 18

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Answer: 18

Lhs
  • ?
Rhs
18

[5 + 5 + ?] = 16

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Answer: 6

Lhs
  • 5
  • 5
  • ?
Rhs
16

[6 + ?] = 16

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Answer: 10

Lhs
  • 6
  • ?
Rhs
16

[6 + 2 + ?] = 21

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Answer: 13

Lhs
  • 6
  • 2
  • ?
Rhs
21

[2 + ?] = 15

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Answer: 13

Lhs
  • 2
  • ?
Rhs
15

[5 + ?] = 17

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Answer: 12

Lhs
  • 5
  • ?
Rhs
17

[4 + ?] = 19

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Answer: 15

Lhs
  • 4
  • ?
Rhs
19

[?] = 16

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Answer: 16

Lhs
  • ?
Rhs
16

[3 + 2 + ?] = 11

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Answer: 6

Lhs
  • 3
  • 2
  • ?
Rhs
11

[?] = 21

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Answer: 21

Lhs
  • ?
Rhs
21

[?] = 4

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Answer: 4

Lhs
  • ?
Rhs
4

[1 + 1 + ?] = 9

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Answer: 7

Lhs
  • 1
  • 1
  • ?
Rhs
9

[?] = 16

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Answer: 16

Lhs
  • ?
Rhs
16