medium Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [_, 9, 10] → [9, _, 1, 9]

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Answer: Row3[1]=17, Row4[2]=8, Row1[1]=45, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [26,19]
  • [17,9,10]
  • [9,8,1,9]
Base
  • 9
  • 8
  • 1
  • 9
TopValue
45
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":45}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, _] → [_, 19, 19] → [_, 10, 9, 10]

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Answer: Row3[1]=16, Row4[1]=6, Row2[2]=38, Row2[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [73]
  • [35,38]
  • [16,19,19]
  • [6,10,9,10]
Base
  • 6
  • 10
  • 9
  • 10
TopValue
73
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":38}
  • {"r":1,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [12, _, 15] → [_, 5, 10, 5]

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Answer: Row1[1]=57, Row3[2]=15, Row2[2]=30, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [27,30]
  • [12,15,15]
  • [7,5,10,5]
Base
  • 7
  • 5
  • 10
  • 5
TopValue
57
HiddenCells
  • {"r":0,"c":0,"v":57}
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [_, 12, 13] → [7, 5, 7, _]

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Answer: Row2[2]=25, Row2[1]=24, Row4[4]=6, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [12,12,13]
  • [7,5,7,6]
Base
  • 7
  • 5
  • 7
  • 6
TopValue
49
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":12}