hard Set 1 Form Exercise

Start at 17. Follow the path: -1, +3, ×2, ÷2. What is the final answer?

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Answer: 19

StartValue
17
Steps
  • {"op":"-","value":1,"result":16}
  • {"op":"+","value":3,"result":19}
  • {"op":"\u00d7","value":2,"result":38}
  • {"op":"\u00f7","value":2,"result":19}
Forks
  • {"correct":16,"wrong":17,"options":[16,17],"correctIndex":0,"op":"-","value":1}
  • {"correct":19,"wrong":24,"options":[19,24],"correctIndex":0,"op":"+","value":3}
  • {"correct":38,"wrong":40,"options":[38,40],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":19,"wrong":21,"options":[21,19],"correctIndex":1,"op":"\u00f7","value":2}

Start at 27. Follow the path: ÷3, ×2, ÷6, ×3. What is the final answer?

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Answer: 9

StartValue
27
Steps
  • {"op":"\u00f7","value":3,"result":9}
  • {"op":"\u00d7","value":2,"result":18}
  • {"op":"\u00f7","value":6,"result":3}
  • {"op":"\u00d7","value":3,"result":9}
Forks
  • {"correct":9,"wrong":11,"options":[11,9],"correctIndex":1,"op":"\u00f7","value":3}
  • {"correct":18,"wrong":16,"options":[18,16],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":3,"wrong":6,"options":[3,6],"correctIndex":0,"op":"\u00f7","value":6}
  • {"correct":9,"wrong":13,"options":[9,13],"correctIndex":0,"op":"\u00d7","value":3}

Start at 16. Follow the path: -8, -7, +11, +4. What is the final answer?

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Answer: 16

StartValue
16
Steps
  • {"op":"-","value":8,"result":8}
  • {"op":"-","value":7,"result":1}
  • {"op":"+","value":11,"result":12}
  • {"op":"+","value":4,"result":16}
Forks
  • {"correct":8,"wrong":6,"options":[8,6],"correctIndex":0,"op":"-","value":8}
  • {"correct":1,"wrong":5,"options":[5,1],"correctIndex":1,"op":"-","value":7}
  • {"correct":12,"wrong":13,"options":[13,12],"correctIndex":1,"op":"+","value":11}
  • {"correct":16,"wrong":19,"options":[19,16],"correctIndex":1,"op":"+","value":4}

Start at 21. Follow the path: ×2, -16, ÷2, ×3. What is the final answer?

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Answer: 39

StartValue
21
Steps
  • {"op":"\u00d7","value":2,"result":42}
  • {"op":"-","value":16,"result":26}
  • {"op":"\u00f7","value":2,"result":13}
  • {"op":"\u00d7","value":3,"result":39}
Forks
  • {"correct":42,"wrong":47,"options":[42,47],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":26,"wrong":25,"options":[25,26],"correctIndex":1,"op":"-","value":16}
  • {"correct":13,"wrong":17,"options":[13,17],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":39,"wrong":38,"options":[39,38],"correctIndex":0,"op":"\u00d7","value":3}

Start at 29. Follow the path: -1, -20, ×2, ÷8. What is the final answer?

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Answer: 2

StartValue
29
Steps
  • {"op":"-","value":1,"result":28}
  • {"op":"-","value":20,"result":8}
  • {"op":"\u00d7","value":2,"result":16}
  • {"op":"\u00f7","value":8,"result":2}
Forks
  • {"correct":28,"wrong":31,"options":[28,31],"correctIndex":0,"op":"-","value":1}
  • {"correct":8,"wrong":11,"options":[11,8],"correctIndex":1,"op":"-","value":20}
  • {"correct":16,"wrong":19,"options":[16,19],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":2,"wrong":3,"options":[2,3],"correctIndex":0,"op":"\u00f7","value":8}

Start at 8. Follow the path: ÷2, ÷4, +6, ÷7. What is the final answer?

Show answer

Answer: 1

StartValue
8
Steps
  • {"op":"\u00f7","value":2,"result":4}
  • {"op":"\u00f7","value":4,"result":1}
  • {"op":"+","value":6,"result":7}
  • {"op":"\u00f7","value":7,"result":1}
Forks
  • {"correct":4,"wrong":1,"options":[1,4],"correctIndex":1,"op":"\u00f7","value":2}
  • {"correct":1,"wrong":2,"options":[1,2],"correctIndex":0,"op":"\u00f7","value":4}
  • {"correct":7,"wrong":10,"options":[10,7],"correctIndex":1,"op":"+","value":6}
  • {"correct":1,"wrong":5,"options":[1,5],"correctIndex":0,"op":"\u00f7","value":7}

Start at 8. Follow the path: ×3, -18, ×2, +11. What is the final answer?

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Answer: 23

StartValue
8
Steps
  • {"op":"\u00d7","value":3,"result":24}
  • {"op":"-","value":18,"result":6}
  • {"op":"\u00d7","value":2,"result":12}
  • {"op":"+","value":11,"result":23}
Forks
  • {"correct":24,"wrong":19,"options":[19,24],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":6,"wrong":5,"options":[5,6],"correctIndex":1,"op":"-","value":18}
  • {"correct":12,"wrong":8,"options":[8,12],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":23,"wrong":27,"options":[27,23],"correctIndex":1,"op":"+","value":11}

Start at 8. Follow the path: ×2, ×3, -10, ÷2. What is the final answer?

Show answer

Answer: 19

StartValue
8
Steps
  • {"op":"\u00d7","value":2,"result":16}
  • {"op":"\u00d7","value":3,"result":48}
  • {"op":"-","value":10,"result":38}
  • {"op":"\u00f7","value":2,"result":19}
Forks
  • {"correct":16,"wrong":18,"options":[18,16],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":48,"wrong":43,"options":[43,48],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":38,"wrong":35,"options":[35,38],"correctIndex":1,"op":"-","value":10}
  • {"correct":19,"wrong":24,"options":[19,24],"correctIndex":0,"op":"\u00f7","value":2}