medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [12, 8, _] → [10, 2, _, 9]

Show answer

Answer: Row1[1]=43, Row3[3]=15, Row2[2]=23, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [20,23]
  • [12,8,15]
  • [10,2,6,9]
Base
  • 10
  • 2
  • 6
  • 9
TopValue
43
HiddenCells
  • {"r":0,"c":0,"v":43}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [11, 9, 14] → [_, _, 4, 10]

Show answer

Answer: Row1[1]=43, Row4[2]=5, Row2[2]=23, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [20,23]
  • [11,9,14]
  • [6,5,4,10]
Base
  • 6
  • 5
  • 4
  • 10
TopValue
43
HiddenCells
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [13, 15, 14] → [4, _, _, 8]

Show answer

Answer: Row4[2]=9, Row4[3]=6, Row2[2]=29, Row1[1]=57

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [28,29]
  • [13,15,14]
  • [4,9,6,8]
Base
  • 4
  • 9
  • 6
  • 8
TopValue
57
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":57}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 21] → [10, _, _] → [2, _, 4, 5]

Show answer

Answer: Row4[2]=8, Row3[3]=9, Row1[1]=43, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [10,12,9]
  • [2,8,4,5]
Base
  • 2
  • 8
  • 4
  • 5
TopValue
43
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":43}
  • {"r":2,"c":1,"v":12}