hard Set 9 Form Exercise

Start at 20. Follow the path: ×2, -12, ×4, -2. What is the final answer?

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Answer: 110

StartValue
20
Steps
  • {"op":"\u00d7","value":2,"result":40}
  • {"op":"-","value":12,"result":28}
  • {"op":"\u00d7","value":4,"result":112}
  • {"op":"-","value":2,"result":110}
Forks
  • {"correct":40,"wrong":39,"options":[40,39],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":28,"wrong":30,"options":[30,28],"correctIndex":1,"op":"-","value":12}
  • {"correct":112,"wrong":107,"options":[112,107],"correctIndex":0,"op":"\u00d7","value":4}
  • {"correct":110,"wrong":109,"options":[109,110],"correctIndex":1,"op":"-","value":2}

Start at 4. Follow the path: ×3, ×4, ÷4, ÷6. What is the final answer?

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Answer: 2

StartValue
4
Steps
  • {"op":"\u00d7","value":3,"result":12}
  • {"op":"\u00d7","value":4,"result":48}
  • {"op":"\u00f7","value":4,"result":12}
  • {"op":"\u00f7","value":6,"result":2}
Forks
  • {"correct":12,"wrong":14,"options":[12,14],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":48,"wrong":44,"options":[48,44],"correctIndex":0,"op":"\u00d7","value":4}
  • {"correct":12,"wrong":16,"options":[16,12],"correctIndex":1,"op":"\u00f7","value":4}
  • {"correct":2,"wrong":1,"options":[2,1],"correctIndex":0,"op":"\u00f7","value":6}

Start at 26. Follow the path: ×3, ×2, +15, -9. What is the final answer?

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Answer: 162

StartValue
26
Steps
  • {"op":"\u00d7","value":3,"result":78}
  • {"op":"\u00d7","value":2,"result":156}
  • {"op":"+","value":15,"result":171}
  • {"op":"-","value":9,"result":162}
Forks
  • {"correct":78,"wrong":74,"options":[74,78],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":156,"wrong":157,"options":[156,157],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":171,"wrong":173,"options":[171,173],"correctIndex":0,"op":"+","value":15}
  • {"correct":162,"wrong":165,"options":[162,165],"correctIndex":0,"op":"-","value":9}

Start at 13. Follow the path: ×3, -20, -16, ÷3. What is the final answer?

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Answer: 1

StartValue
13
Steps
  • {"op":"\u00d7","value":3,"result":39}
  • {"op":"-","value":20,"result":19}
  • {"op":"-","value":16,"result":3}
  • {"op":"\u00f7","value":3,"result":1}
Forks
  • {"correct":39,"wrong":36,"options":[39,36],"correctIndex":0,"op":"\u00d7","value":3}
  • {"correct":19,"wrong":17,"options":[19,17],"correctIndex":0,"op":"-","value":20}
  • {"correct":3,"wrong":2,"options":[2,3],"correctIndex":1,"op":"-","value":16}
  • {"correct":1,"wrong":6,"options":[6,1],"correctIndex":1,"op":"\u00f7","value":3}

Start at 18. Follow the path: ÷6, -1, -1, +7. What is the final answer?

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Answer: 8

StartValue
18
Steps
  • {"op":"\u00f7","value":6,"result":3}
  • {"op":"-","value":1,"result":2}
  • {"op":"-","value":1,"result":1}
  • {"op":"+","value":7,"result":8}
Forks
  • {"correct":3,"wrong":1,"options":[1,3],"correctIndex":1,"op":"\u00f7","value":6}
  • {"correct":2,"wrong":1,"options":[2,1],"correctIndex":0,"op":"-","value":1}
  • {"correct":1,"wrong":6,"options":[6,1],"correctIndex":1,"op":"-","value":1}
  • {"correct":8,"wrong":9,"options":[8,9],"correctIndex":0,"op":"+","value":7}

Start at 14. Follow the path: +13, -3, +6, +20. What is the final answer?

Show answer

Answer: 50

StartValue
14
Steps
  • {"op":"+","value":13,"result":27}
  • {"op":"-","value":3,"result":24}
  • {"op":"+","value":6,"result":30}
  • {"op":"+","value":20,"result":50}
Forks
  • {"correct":27,"wrong":24,"options":[27,24],"correctIndex":0,"op":"+","value":13}
  • {"correct":24,"wrong":29,"options":[29,24],"correctIndex":1,"op":"-","value":3}
  • {"correct":30,"wrong":28,"options":[28,30],"correctIndex":1,"op":"+","value":6}
  • {"correct":50,"wrong":53,"options":[50,53],"correctIndex":0,"op":"+","value":20}

Start at 25. Follow the path: -6, ×4, ÷2, +16. What is the final answer?

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Answer: 54

StartValue
25
Steps
  • {"op":"-","value":6,"result":19}
  • {"op":"\u00d7","value":4,"result":76}
  • {"op":"\u00f7","value":2,"result":38}
  • {"op":"+","value":16,"result":54}
Forks
  • {"correct":19,"wrong":17,"options":[17,19],"correctIndex":1,"op":"-","value":6}
  • {"correct":76,"wrong":79,"options":[79,76],"correctIndex":1,"op":"\u00d7","value":4}
  • {"correct":38,"wrong":41,"options":[41,38],"correctIndex":1,"op":"\u00f7","value":2}
  • {"correct":54,"wrong":57,"options":[54,57],"correctIndex":0,"op":"+","value":16}

Start at 25. Follow the path: -19, -1, +19, -12. What is the final answer?

Show answer

Answer: 12

StartValue
25
Steps
  • {"op":"-","value":19,"result":6}
  • {"op":"-","value":1,"result":5}
  • {"op":"+","value":19,"result":24}
  • {"op":"-","value":12,"result":12}
Forks
  • {"correct":6,"wrong":7,"options":[6,7],"correctIndex":0,"op":"-","value":19}
  • {"correct":5,"wrong":2,"options":[2,5],"correctIndex":1,"op":"-","value":1}
  • {"correct":24,"wrong":20,"options":[24,20],"correctIndex":0,"op":"+","value":19}
  • {"correct":12,"wrong":11,"options":[11,12],"correctIndex":1,"op":"-","value":12}