expert Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 13] → [_, 5, 8]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [6,13]
  • [1,5,8]
Base
  • 1
  • 5
  • 8
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, _] → [9, 10, 9]

Show answer

Answer: Row2[1]=19, Row2[2]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [38]
  • [19,19]
  • [9,10,9]
Base
  • 9
  • 10
  • 9
TopValue
38
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"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): [38] → [19, _] → [_, 10, 9]

Show answer

Answer: Row3[1]=9, Row2[2]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [38]
  • [19,19]
  • [9,10,9]
Base
  • 9
  • 10
  • 9
TopValue
38
HiddenCells
  • {"r":2,"c":0,"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): [13] → [_, 6] → [3, _, 2]

Show answer

Answer: Row2[1]=7, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [7,6]
  • [3,4,2]
Base
  • 3
  • 4
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":1,"v":4}