easy Set 59 Form Exercise

Number Chain: 6 → +4 → +9 → -4 → ?

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Answer: 15

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":4}
  • {"op":"+","operand":9}
  • {"op":"-","operand":4}
Difficulty
easy

Number Chain: 3 → +4 → -1 → +8 → ?

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Answer: 14

SubType
number-chain
Start
3
Steps
  • {"op":"+","operand":4}
  • {"op":"-","operand":1}
  • {"op":"+","operand":8}
Difficulty
easy

Number Chain: 8 → +9 → -14 → +5 → ?

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Answer: 8

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":9}
  • {"op":"-","operand":14}
  • {"op":"+","operand":5}
Difficulty
easy

Number Chain: 10 → -7 → -1 → +9 → ?

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Answer: 11

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":7}
  • {"op":"-","operand":1}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 8 → -1 → +9 → -15 → ?

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Answer: 1

SubType
number-chain
Start
8
Steps
  • {"op":"-","operand":1}
  • {"op":"+","operand":9}
  • {"op":"-","operand":15}
Difficulty
easy

Number Chain: 8 → -1 → +1 → -5 → ?

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Answer: 3

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

Number Chain: 6 → -5 → +2 → -2 → ?

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Answer: 1

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

Number Chain: 10 → -5 → +6 → +4 → ?

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Answer: 15

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":5}
  • {"op":"+","operand":6}
  • {"op":"+","operand":4}
Difficulty
easy