easy Set 49 Form Exercise

Number Chain: 6 → -5 → +1 → +7 → ?

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Answer: 9

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":5}
  • {"op":"+","operand":1}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 3 → -2 → -1 → +9 → ?

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Answer: 9

SubType
number-chain
Start
3
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 9 → -3 → +6 → +5 → ?

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Answer: 17

SubType
number-chain
Start
9
Steps
  • {"op":"-","operand":3}
  • {"op":"+","operand":6}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 6 → +3 → +3 → -3 → ?

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Answer: 9

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":3}
  • {"op":"+","operand":3}
  • {"op":"-","operand":3}
Difficulty
easy

Number Chain: 6 → +2 → +5 → +6 → ?

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Answer: 19

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

Number Chain: 1 → -1 → +5 → -4 → ?

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Answer: 1

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

Number Chain: 4 → +7 → -3 → +2 → ?

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Answer: 10

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":7}
  • {"op":"-","operand":3}
  • {"op":"+","operand":2}
Difficulty
easy

Number Chain: 10 → -6 → -3 → +2 → ?

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Answer: 3

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":6}
  • {"op":"-","operand":3}
  • {"op":"+","operand":2}
Difficulty
easy