easy Set 67 Form Exercise

Number Chain: 1 → -1 → +7 → +4 → ?

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Answer: 11

SubType
number-chain
Start
1
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":7}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 3 → -1 → -1 → -1 → ?

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

Number Chain: 6 → -5 → -1 → -1 → ?

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Answer: -1

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":5}
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 4 → -2 → +8 → -2 → ?

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Answer: 8

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":2}
  • {"op":"+","operand":8}
  • {"op":"-","operand":2}
Difficulty
easy

Number Chain: 3 → -2 → -1 → +5 → ?

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Answer: 5

SubType
number-chain
Start
3
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 10 → -5 → -1 → -1 → ?

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Answer: 3

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

Number Chain: 5 → -2 → +2 → -1 → ?

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Answer: 4

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

Number Chain: 2 → -1 → -1 → +5 → ?

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Answer: 5

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