easy Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 8] → [4, _, 7]

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Answer: Row3[2]=1, Row1[1]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [5,8]
  • [4,1,7]
Base
  • 4
  • 1
  • 7
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [18, _] → [10, _, 9]

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Answer: Row3[2]=8, Row2[2]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [35]
  • [18,17]
  • [10,8,9]
Base
  • 10
  • 8
  • 9
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 12] → [2, 9, _]

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Answer: Row2[1]=11, Row3[3]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [11,12]
  • [2,9,3]
Base
  • 2
  • 9
  • 3
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 15] → [9, _, 6]

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Answer: Row2[1]=18, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [33]
  • [18,15]
  • [9,9,6]
Base
  • 9
  • 9
  • 6
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":1,"v":9}