easy Set 34 Form Exercise

Number Chain: 2 → -1 → +2 → +1 → ?

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Answer: 4

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

Number Chain: 9 → +5 → +8 → -19 → ?

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Answer: 3

SubType
number-chain
Start
9
Steps
  • {"op":"+","operand":5}
  • {"op":"+","operand":8}
  • {"op":"-","operand":19}
Difficulty
easy

Number Chain: 7 → -3 → +1 → +5 → ?

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Answer: 10

SubType
number-chain
Start
7
Steps
  • {"op":"-","operand":3}
  • {"op":"+","operand":1}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 3 → +6 → -7 → +7 → ?

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Answer: 9

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":6}
  • {"op":"-","operand":7}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 4 → -3 → +3 → -3 → ?

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Answer: 1

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

Number Chain: 5 → +9 → -3 → -2 → ?

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Answer: 9

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":9}
  • {"op":"-","operand":3}
  • {"op":"-","operand":2}
Difficulty
easy

Number Chain: 3 → +9 → +9 → +8 → ?

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Answer: 29

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":9}
  • {"op":"+","operand":9}
  • {"op":"+","operand":8}
Difficulty
easy

Number Chain: 5 → -4 → -1 → -1 → ?

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Answer: -1

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