easy Set 35 Form Exercise

Number Chain: 3 → -1 → +7 → -5 → ?

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Answer: 4

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

Number Chain: 4 → +8 → -8 → +10 → ?

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Answer: 14

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":8}
  • {"op":"+","operand":10}
Difficulty
easy

Number Chain: 5 → +6 → +2 → +9 → ?

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Answer: 22

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":6}
  • {"op":"+","operand":2}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 3 → -2 → +5 → -2 → ?

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Answer: 4

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

Number Chain: 10 → +8 → -13 → +6 → ?

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Answer: 11

SubType
number-chain
Start
10
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":13}
  • {"op":"+","operand":6}
Difficulty
easy

Number Chain: 5 → -2 → -1 → -1 → ?

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Answer: 1

SubType
number-chain
Start
5
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 10 → -2 → -6 → -1 → ?

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Answer: 1

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":6}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 3 → -1 → +8 → -3 → ?

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Answer: 7

SubType
number-chain
Start
3
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":8}
  • {"op":"-","operand":3}
Difficulty
easy