easy Set 27 Form Exercise

Number Chain: 7 → -3 → +6 → +2 → ?

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Answer: 12

SubType
number-chain
Start
7
Steps
  • {"op":"-","operand":3}
  • {"op":"+","operand":6}
  • {"op":"+","operand":2}
Difficulty
easy

Number Chain: 6 → +6 → +7 → +5 → ?

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Answer: 24

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

Number Chain: 10 → -5 → +4 → -4 → ?

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Answer: 5

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

Number Chain: 8 → +6 → +10 → +7 → ?

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Answer: 31

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":6}
  • {"op":"+","operand":10}
  • {"op":"+","operand":7}
Difficulty
easy

Number Chain: 6 → -4 → -1 → +10 → ?

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Answer: 11

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":4}
  • {"op":"-","operand":1}
  • {"op":"+","operand":10}
Difficulty
easy

Number Chain: 5 → +2 → +7 → -13 → ?

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Answer: 1

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":2}
  • {"op":"+","operand":7}
  • {"op":"-","operand":13}
Difficulty
easy

Number Chain: 10 → +3 → +10 → -12 → ?

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Answer: 11

SubType
number-chain
Start
10
Steps
  • {"op":"+","operand":3}
  • {"op":"+","operand":10}
  • {"op":"-","operand":12}
Difficulty
easy

Number Chain: 7 → +1 → -1 → +9 → ?

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Answer: 16

SubType
number-chain
Start
7
Steps
  • {"op":"+","operand":1}
  • {"op":"-","operand":1}
  • {"op":"+","operand":9}
Difficulty
easy