easy Set 46 Form Exercise

Number Chain: 5 → -2 → +7 → +8 → ?

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Answer: 18

SubType
number-chain
Start
5
Steps
  • {"op":"-","operand":2}
  • {"op":"+","operand":7}
  • {"op":"+","operand":8}
Difficulty
easy

Number Chain: 8 → -1 → +8 → -8 → ?

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Answer: 7

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

Number Chain: 8 → -6 → +10 → +8 → ?

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Answer: 20

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

Number Chain: 9 → +9 → -2 → +8 → ?

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Answer: 24

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

Number Chain: 2 → +10 → -10 → -1 → ?

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Answer: 1

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

Number Chain: 5 → -2 → -2 → -1 → ?

SubType
number-chain
Start
5
Steps
  • {"op":"-","operand":2}
  • {"op":"-","operand":2}
  • {"op":"-","operand":1}
Difficulty
easy

Number Chain: 5 → +7 → -10 → +1 → ?

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Answer: 3

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":7}
  • {"op":"-","operand":10}
  • {"op":"+","operand":1}
Difficulty
easy

Number Chain: 9 → +1 → +1 → +7 → ?

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Answer: 18

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