easy Set 62 Form Exercise

Number Chain: 2 → -1 → +10 → +4 → ?

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Answer: 15

SubType
number-chain
Start
2
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":10}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 4 → -3 → +3 → +9 → ?

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Answer: 13

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

Number Chain: 6 → -1 → -3 → +3 → ?

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Answer: 5

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":1}
  • {"op":"-","operand":3}
  • {"op":"+","operand":3}
Difficulty
easy

Number Chain: 2 → +3 → -4 → -1 → ?

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":3}
  • {"op":"-","operand":4}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 4 → -3 → -1 → -1 → ?

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Answer: -1

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

Number Chain: 7 → +1 → +9 → -16 → ?

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Answer: 1

SubType
number-chain
Start
7
Steps
  • {"op":"+","operand":1}
  • {"op":"+","operand":9}
  • {"op":"-","operand":16}
Difficulty
easy

Number Chain: 1 → -1 → -1 → +9 → ?

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Answer: 8

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

Number Chain: 2 → +1 → +9 → -10 → ?

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Answer: 2

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":1}
  • {"op":"+","operand":9}
  • {"op":"-","operand":10}
Difficulty
easy