easy Set 24 Form Exercise

Number Chain: 6 → +10 → +9 → -20 → ?

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Answer: 5

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":10}
  • {"op":"+","operand":9}
  • {"op":"-","operand":20}
Difficulty
easy

Number Chain: 3 → -2 → -1 → +7 → ?

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Answer: 7

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

Number Chain: 4 → +4 → +5 → -8 → ?

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Answer: 5

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":4}
  • {"op":"+","operand":5}
  • {"op":"-","operand":8}
Difficulty
easy

Number Chain: 10 → +9 → -18 → -1 → ?

SubType
number-chain
Start
10
Steps
  • {"op":"+","operand":9}
  • {"op":"-","operand":18}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 2 → -1 → -1 → +6 → ?

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Answer: 6

SubType
number-chain
Start
2
Steps
  • {"op":"-","operand":1}
  • {"op":"-","operand":1}
  • {"op":"+","operand":6}
Difficulty
easy

Number Chain: 8 → +2 → -6 → +9 → ?

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Answer: 13

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":2}
  • {"op":"-","operand":6}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 1 → -1 → -1 → +4 → ?

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Answer: 3

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

Number Chain: 10 → +10 → +3 → +8 → ?

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Answer: 31

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