hard Set 8 Form Exercise

Start at 21. Follow the path: -1, +7, ÷9, ÷3. What is the final answer?

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Answer: 1

StartValue
21
Steps
  • {"op":"-","value":1,"result":20}
  • {"op":"+","value":7,"result":27}
  • {"op":"\u00f7","value":9,"result":3}
  • {"op":"\u00f7","value":3,"result":1}
Forks
  • {"correct":20,"wrong":24,"options":[20,24],"correctIndex":0,"op":"-","value":1}
  • {"correct":27,"wrong":22,"options":[22,27],"correctIndex":1,"op":"+","value":7}
  • {"correct":3,"wrong":2,"options":[2,3],"correctIndex":1,"op":"\u00f7","value":9}
  • {"correct":1,"wrong":1,"options":[1,1],"correctIndex":1,"op":"\u00f7","value":3}

Start at 37. Follow the path: -11, -6, ×4, -12. What is the final answer?

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Answer: 68

StartValue
37
Steps
  • {"op":"-","value":11,"result":26}
  • {"op":"-","value":6,"result":20}
  • {"op":"\u00d7","value":4,"result":80}
  • {"op":"-","value":12,"result":68}
Forks
  • {"correct":26,"wrong":27,"options":[26,27],"correctIndex":0,"op":"-","value":11}
  • {"correct":20,"wrong":23,"options":[23,20],"correctIndex":1,"op":"-","value":6}
  • {"correct":80,"wrong":75,"options":[80,75],"correctIndex":0,"op":"\u00d7","value":4}
  • {"correct":68,"wrong":64,"options":[68,64],"correctIndex":0,"op":"-","value":12}

Start at 37. Follow the path: ×3, -3, -15, ÷3. What is the final answer?

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Answer: 31

StartValue
37
Steps
  • {"op":"\u00d7","value":3,"result":111}
  • {"op":"-","value":3,"result":108}
  • {"op":"-","value":15,"result":93}
  • {"op":"\u00f7","value":3,"result":31}
Forks
  • {"correct":111,"wrong":112,"options":[111,112],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":108,"wrong":110,"options":[108,110],"correctIndex":0,"op":"-","value":3}
  • {"correct":93,"wrong":88,"options":[93,88],"correctIndex":0,"op":"-","value":15}
  • {"correct":31,"wrong":26,"options":[31,26],"correctIndex":0,"op":"\u00f7","value":3}

Start at 40. Follow the path: +8, +9, ÷3, -10. What is the final answer?

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Answer: 9

StartValue
40
Steps
  • {"op":"+","value":8,"result":48}
  • {"op":"+","value":9,"result":57}
  • {"op":"\u00f7","value":3,"result":19}
  • {"op":"-","value":10,"result":9}
Forks
  • {"correct":48,"wrong":45,"options":[45,48],"correctIndex":1,"op":"+","value":8}
  • {"correct":57,"wrong":62,"options":[62,57],"correctIndex":1,"op":"+","value":9}
  • {"correct":19,"wrong":15,"options":[15,19],"correctIndex":1,"op":"\u00f7","value":3}
  • {"correct":9,"wrong":4,"options":[4,9],"correctIndex":1,"op":"-","value":10}

Start at 13. Follow the path: +3, ÷8, ÷2, +12. What is the final answer?

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Answer: 13

StartValue
13
Steps
  • {"op":"+","value":3,"result":16}
  • {"op":"\u00f7","value":8,"result":2}
  • {"op":"\u00f7","value":2,"result":1}
  • {"op":"+","value":12,"result":13}
Forks
  • {"correct":16,"wrong":21,"options":[16,21],"correctIndex":0,"op":"+","value":3}
  • {"correct":2,"wrong":4,"options":[4,2],"correctIndex":1,"op":"\u00f7","value":8}
  • {"correct":1,"wrong":1,"options":[1,1],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":13,"wrong":16,"options":[16,13],"correctIndex":1,"op":"+","value":12}

Start at 9. Follow the path: -4, -2, +5, ×3. What is the final answer?

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Answer: 24

StartValue
9
Steps
  • {"op":"-","value":4,"result":5}
  • {"op":"-","value":2,"result":3}
  • {"op":"+","value":5,"result":8}
  • {"op":"\u00d7","value":3,"result":24}
Forks
  • {"correct":5,"wrong":1,"options":[5,1],"correctIndex":0,"op":"-","value":4}
  • {"correct":3,"wrong":1,"options":[1,3],"correctIndex":1,"op":"-","value":2}
  • {"correct":8,"wrong":11,"options":[8,11],"correctIndex":0,"op":"+","value":5}
  • {"correct":24,"wrong":26,"options":[26,24],"correctIndex":1,"op":"\u00d7","value":3}

Start at 16. Follow the path: ×3, -12, +6, ×2. What is the final answer?

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Answer: 84

StartValue
16
Steps
  • {"op":"\u00d7","value":3,"result":48}
  • {"op":"-","value":12,"result":36}
  • {"op":"+","value":6,"result":42}
  • {"op":"\u00d7","value":2,"result":84}
Forks
  • {"correct":48,"wrong":53,"options":[53,48],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":36,"wrong":39,"options":[39,36],"correctIndex":1,"op":"-","value":12}
  • {"correct":42,"wrong":37,"options":[42,37],"correctIndex":0,"op":"+","value":6}
  • {"correct":84,"wrong":80,"options":[80,84],"correctIndex":1,"op":"\u00d7","value":2}

Start at 39. Follow the path: -19, ÷2, +20, +17. What is the final answer?

Show answer

Answer: 47

StartValue
39
Steps
  • {"op":"-","value":19,"result":20}
  • {"op":"\u00f7","value":2,"result":10}
  • {"op":"+","value":20,"result":30}
  • {"op":"+","value":17,"result":47}
Forks
  • {"correct":20,"wrong":18,"options":[20,18],"correctIndex":0,"op":"-","value":19}
  • {"correct":10,"wrong":14,"options":[10,14],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":30,"wrong":25,"options":[30,25],"correctIndex":0,"op":"+","value":20}
  • {"correct":47,"wrong":51,"options":[47,51],"correctIndex":0,"op":"+","value":17}