easy Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 20] → [_, 10, 10]

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Answer: Row3[1]=9, Row1[1]=39

SubType
number-pyramid
Difficulty
easy
Levels
  • [39]
  • [19,20]
  • [9,10,10]
Base
  • 9
  • 10
  • 10
TopValue
39
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [4, 8, 8]

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Answer: Row2[2]=16, Row1[1]=28

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [12,16]
  • [4,8,8]
Base
  • 4
  • 8
  • 8
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, _] → [9, 5, 4]

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Answer: Row2[2]=9, Row2[1]=14

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [14,9]
  • [9,5,4]
Base
  • 9
  • 5
  • 4
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 14] → [5, _, 8]

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Answer: Row1[1]=25, Row3[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [11,14]
  • [5,6,8]
Base
  • 5
  • 6
  • 8
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":2,"c":1,"v":6}