easy Set 73 Form Exercise

Number Chain: 5 → +7 → -5 → +10 → ?

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Answer: 17

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

Number Chain: 2 → +10 → -8 → +1 → ?

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Answer: 5

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":10}
  • {"op":"-","operand":8}
  • {"op":"+","operand":1}
Difficulty
easy

Number Chain: 5 → -3 → -1 → +9 → ?

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Answer: 10

SubType
number-chain
Start
5
Steps
  • {"op":"-","operand":3}
  • {"op":"-","operand":1}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 3 → +1 → -3 → -1 → ?

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

Number Chain: 9 → -3 → -2 → +7 → ?

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Answer: 11

SubType
number-chain
Start
9
Steps
  • {"op":"-","operand":3}
  • {"op":"-","operand":2}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 9 → +7 → +6 → -8 → ?

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Answer: 14

SubType
number-chain
Start
9
Steps
  • {"op":"+","operand":7}
  • {"op":"+","operand":6}
  • {"op":"-","operand":8}
Difficulty
easy

Number Chain: 3 → +10 → +3 → -14 → ?

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Answer: 2

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":10}
  • {"op":"+","operand":3}
  • {"op":"-","operand":14}
Difficulty
easy

Number Chain: 5 → +8 → -6 → -1 → ?

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Answer: 6

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":6}
  • {"op":"-","operand":1}
Difficulty
easy