easy Set 19 Form Exercise

Number Chain: 8 → -7 → +1 → +7 → ?

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Answer: 9

SubType
number-chain
Start
8
Steps
  • {"op":"-","operand":7}
  • {"op":"+","operand":1}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 7 → -3 → -2 → -1 → ?

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Answer: 1

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

Number Chain: 8 → +3 → +10 → +3 → ?

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Answer: 24

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

Number Chain: 5 → +5 → +10 → -15 → ?

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Answer: 5

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":5}
  • {"op":"+","operand":10}
  • {"op":"-","operand":15}
Difficulty
easy

Number Chain: 5 → +9 → -13 → +5 → ?

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Answer: 6

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":9}
  • {"op":"-","operand":13}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 9 → -3 → -4 → +8 → ?

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Answer: 10

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

Number Chain: 2 → +7 → +10 → -5 → ?

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Answer: 14

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":7}
  • {"op":"+","operand":10}
  • {"op":"-","operand":5}
Difficulty
easy

Number Chain: 4 → -2 → +8 → +10 → ?

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Answer: 20

SubType
number-chain
Start
4
Steps
  • {"op":"-","operand":2}
  • {"op":"+","operand":8}
  • {"op":"+","operand":10}
Difficulty
easy