expert Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 9] → [3, 7, _]

Show answer

Answer: Row1[1]=19, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [3,7,2]
Base
  • 3
  • 7
  • 2
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [9, 15] → [2, _, _]

Show answer

Answer: Row3[3]=8, Row3[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [9,15]
  • [2,7,8]
Base
  • 2
  • 7
  • 8
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [8, 5, 3]

Show answer

Answer: Row1[1]=21, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [13,8]
  • [8,5,3]
Base
  • 8
  • 5
  • 3
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"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] → [7, 7] → [_, 3, _]

Show answer

Answer: Row3[1]=4, Row3[3]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [7,7]
  • [4,3,4]
Base
  • 4
  • 3
  • 4
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":4}