easy Set 86 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] → [9, _, 10]

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Answer: Row2[1]=12, Row3[2]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [12,13]
  • [9,3,10]
Base
  • 9
  • 3
  • 10
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"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): [20] → [10, 10] → [_, _, 4]

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Answer: Row3[2]=6, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [10,10]
  • [4,6,4]
Base
  • 4
  • 6
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [7] → [4, 3] → [_, _, 1]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [7]
  • [4,3]
  • [2,2,1]
Base
  • 2
  • 2
  • 1
TopValue
7
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [8, _] → [7, _, 4]

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Answer: Row3[2]=1, Row2[2]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [8,5]
  • [7,1,4]
Base
  • 7
  • 1
  • 4
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":1,"v":5}