easy Set 85 Form Exercise

Number Chain: 4 → +3 → -1 → -4 → ?

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Answer: 2

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

Number Chain: 8 → -5 → +9 → +5 → ?

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Answer: 17

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

Number Chain: 8 → -5 → -1 → +9 → ?

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Answer: 11

SubType
number-chain
Start
8
Steps
  • {"op":"-","operand":5}
  • {"op":"-","operand":1}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 3 → -1 → +7 → +2 → ?

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Answer: 11

SubType
number-chain
Start
3
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":7}
  • {"op":"+","operand":2}
Difficulty
easy

Number Chain: 4 → +5 → -5 → +6 → ?

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Answer: 10

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":5}
  • {"op":"-","operand":5}
  • {"op":"+","operand":6}
Difficulty
easy

Number Chain: 6 → +8 → -5 → -8 → ?

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Answer: 1

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":5}
  • {"op":"-","operand":8}
Difficulty
easy

Number Chain: 1 → +8 → -1 → -1 → ?

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Answer: 7

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

Number Chain: 6 → +6 → +8 → +10 → ?

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Answer: 30

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