expert Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [3, 5, 8]

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Answer: Row2[1]=8, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [8,13]
  • [3,5,8]
Base
  • 3
  • 5
  • 8
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 8] → [4, 3, _]

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Answer: Row2[1]=7, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [7,8]
  • [4,3,5]
Base
  • 4
  • 3
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"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): [16] → [_, _] → [1, 5, 5]

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Answer: Row2[2]=10, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [6,10]
  • [1,5,5]
Base
  • 1
  • 5
  • 5
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 8] → [_, 2, 6]

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Answer: Row3[1]=7, Row1[1]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [9,8]
  • [7,2,6]
Base
  • 7
  • 2
  • 6
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":17}