expert Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 10] → [_, 7, 3]

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Answer: Row3[1]=8, Row1[1]=25

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [15,10]
  • [8,7,3]
Base
  • 8
  • 7
  • 3
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [10, 5, 1]

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Answer: Row2[2]=6, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [15,6]
  • [10,5,1]
Base
  • 10
  • 5
  • 1
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [12, 7] → [10, _, _]

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Answer: Row3[2]=2, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [12,7]
  • [10,2,5]
Base
  • 10
  • 2
  • 5
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [8, 5, 9]

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Answer: Row2[1]=13, Row2[2]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [13,14]
  • [8,5,9]
Base
  • 8
  • 5
  • 9
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":14}