easy Set 83 Form Exercise

Number Chain: 3 → +8 → -5 → -1 → ?

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Answer: 5

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":5}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 10 → +6 → +5 → +4 → ?

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Answer: 25

SubType
number-chain
Start
10
Steps
  • {"op":"+","operand":6}
  • {"op":"+","operand":5}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 8 → -6 → -1 → +8 → ?

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Answer: 9

SubType
number-chain
Start
8
Steps
  • {"op":"-","operand":6}
  • {"op":"-","operand":1}
  • {"op":"+","operand":8}
Difficulty
easy

Number Chain: 5 → -4 → +1 → +1 → ?

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Answer: 3

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

Number Chain: 4 → -3 → +9 → +8 → ?

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Answer: 18

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":3}
  • {"op":"+","operand":9}
  • {"op":"+","operand":8}
Difficulty
easy

Number Chain: 3 → +8 → -3 → +10 → ?

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Answer: 18

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":3}
  • {"op":"+","operand":10}
Difficulty
easy

Number Chain: 4 → -1 → -1 → +4 → ?

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Answer: 6

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

Number Chain: 1 → +4 → +4 → -2 → ?

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Answer: 7

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