medium Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 21] → [10, _, 9] → [1, 9, _, _]

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Answer: Row1[1]=43, Row3[2]=12, Row4[3]=3, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [10,12,9]
  • [1,9,3,6]
Base
  • 1
  • 9
  • 3
  • 6
TopValue
43
HiddenCells
  • {"r":0,"c":0,"v":43}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [26, _] → [17, _, 4] → [_, _, 1, 3]

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Answer: Row2[2]=13, Row3[2]=9, Row4[1]=9, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [26,13]
  • [17,9,4]
  • [9,8,1,3]
Base
  • 9
  • 8
  • 1
  • 3
TopValue
39
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"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): [_] → [19, _] → [_, 13, 14] → [3, _, 10, 4]

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Answer: Row4[2]=3, Row2[2]=27, Row3[1]=6, Row1[1]=46

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [19,27]
  • [6,13,14]
  • [3,3,10,4]
Base
  • 3
  • 3
  • 10
  • 4
TopValue
46
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":46}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 20] → [13, _, _] → [9, _, 6, 4]

Show answer

Answer: Row3[3]=10, Row3[2]=10, Row4[2]=4, Row1[1]=43

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [23,20]
  • [13,10,10]
  • [9,4,6,4]
Base
  • 9
  • 4
  • 6
  • 4
TopValue
43
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":43}