easy Set 88 Form Exercise

Number Chain: 7 → +4 → -10 → +9 → ?

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Answer: 10

SubType
number-chain
Start
7
Steps
  • {"op":"+","operand":4}
  • {"op":"-","operand":10}
  • {"op":"+","operand":9}
Difficulty
easy

Number Chain: 5 → -3 → -1 → +4 → ?

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Answer: 5

SubType
number-chain
Start
5
Steps
  • {"op":"-","operand":3}
  • {"op":"-","operand":1}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 5 → +4 → +7 → -4 → ?

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Answer: 12

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":4}
  • {"op":"+","operand":7}
  • {"op":"-","operand":4}
Difficulty
easy

Number Chain: 5 → +9 → +8 → +4 → ?

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Answer: 26

SubType
number-chain
Start
5
Steps
  • {"op":"+","operand":9}
  • {"op":"+","operand":8}
  • {"op":"+","operand":4}
Difficulty
easy

Number Chain: 4 → +8 → -11 → +3 → ?

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Answer: 4

SubType
number-chain
Start
4
Steps
  • {"op":"+","operand":8}
  • {"op":"-","operand":11}
  • {"op":"+","operand":3}
Difficulty
easy

Number Chain: 2 → -1 → -1 → -1 → ?

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Answer: -1

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

Number Chain: 8 → +5 → +4 → +10 → ?

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Answer: 27

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":5}
  • {"op":"+","operand":4}
  • {"op":"+","operand":10}
Difficulty
easy