expert Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [12, _] → [_, 2, 1]

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Answer: Row3[1]=10, Row2[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [12,3]
  • [10,2,1]
Base
  • 10
  • 2
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 16] → [1, _, 7]

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Answer: Row3[2]=9, Row2[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [10,16]
  • [1,9,7]
Base
  • 1
  • 9
  • 7
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 19] → [6, 9, _]

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Answer: Row2[1]=15, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [34]
  • [15,19]
  • [6,9,10]
Base
  • 6
  • 9
  • 10
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 8] → [_, 3, 5]

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Answer: Row3[1]=8, Row1[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [11,8]
  • [8,3,5]
Base
  • 8
  • 3
  • 5
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":19}