easy Set 53 Form Exercise

Number Chain: 9 → +7 → +7 → +4 → ?

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Answer: 27

SubType
number-chain
Start
9
Steps
  • {"op":"+","operand":7}
  • {"op":"+","operand":7}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 3 → +8 → -8 → -2 → ?

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Answer: 1

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":8}
  • {"op":"-","operand":2}
Difficulty
easy

Number Chain: 2 → -1 → +8 → -3 → ?

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Answer: 6

SubType
number-chain
Start
2
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":8}
  • {"op":"-","operand":3}
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: 5 → -1 → -2 → +6 → ?

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Answer: 8

SubType
number-chain
Start
5
Steps
  • {"op":"-","operand":1}
  • {"op":"-","operand":2}
  • {"op":"+","operand":6}
Difficulty
easy

Number Chain: 4 → -2 → -1 → +5 → ?

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Answer: 6

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 5 → -1 → -2 → -1 → ?

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Answer: 1

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

Number Chain: 8 → -2 → -2 → +6 → ?

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Answer: 10

SubType
number-chain
Start
8
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":2}
  • {"op":"+","operand":6}
Difficulty
easy