easy Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, 12] → [_, _, 7]

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Answer: Row3[2]=5, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [13,12]
  • [8,5,7]
Base
  • 8
  • 5
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 18] → [_, 8, 10]

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Answer: Row2[1]=12, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [12,18]
  • [4,8,10]
Base
  • 4
  • 8
  • 10
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [4, 6, 5]

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Answer: Row1[1]=21, Row2[2]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [10,11]
  • [4,6,5]
Base
  • 4
  • 6
  • 5
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 5] → [_, 4, 1]

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Answer: Row3[1]=7, Row2[1]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [11,5]
  • [7,4,1]
Base
  • 7
  • 4
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":11}