easy Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [20, _] → [10, 10, _]

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Answer: Row3[3]=9, Row2[2]=19

SubType
number-pyramid
Difficulty
easy
Levels
  • [39]
  • [20,19]
  • [10,10,9]
Base
  • 10
  • 10
  • 9
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, _] → [5, _, 1]

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Answer: Row3[2]=7, Row2[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [12,8]
  • [5,7,1]
Base
  • 5
  • 7
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 17] → [4, _, 7]

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Answer: Row3[2]=10, Row1[1]=31

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [14,17]
  • [4,10,7]
Base
  • 4
  • 10
  • 7
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [9, 9, 4]

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Answer: Row1[1]=31, Row2[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":0,"v":18}