easy Set 82 Form Exercise

Number Chain: 2 → +9 → +4 → +1 → ?

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Answer: 16

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":9}
  • {"op":"+","operand":4}
  • {"op":"+","operand":1}
Difficulty
easy

Number Chain: 4 → +8 → +4 → +8 → ?

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Answer: 24

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":8}
  • {"op":"+","operand":4}
  • {"op":"+","operand":8}
Difficulty
easy

Number Chain: 2 → -1 → -1 → -1 → ?

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Answer: -1

SubType
number-chain
Start
2
Steps
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 6 → +4 → +1 → +4 → ?

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Answer: 15

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":4}
  • {"op":"+","operand":1}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 7 → -6 → +10 → +5 → ?

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Answer: 16

SubType
number-chain
Start
7
Steps
  • {"op":"-","operand":6}
  • {"op":"+","operand":10}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 1 → +5 → +10 → +4 → ?

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Answer: 20

SubType
number-chain
Start
1
Steps
  • {"op":"+","operand":5}
  • {"op":"+","operand":10}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 3 → +3 → -4 → +9 → ?

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Answer: 11

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":3}
  • {"op":"-","operand":4}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 3 → -1 → +5 → -4 → ?

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Answer: 3

SubType
number-chain
Start
3
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":5}
  • {"op":"-","operand":4}
Difficulty
easy