expert Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [9, 9] → [_, 7, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [9,9]
  • [2,7,2]
Base
  • 2
  • 7
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"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): [_] → [4, 8] → [_, 1, 7]

Show answer

Answer: Row3[1]=3, Row1[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [4,8]
  • [3,1,7]
Base
  • 3
  • 1
  • 7
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 10] → [_, 7, 3]

Show answer

Answer: Row2[1]=16, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [16,10]
  • [9,7,3]
Base
  • 9
  • 7
  • 3
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [16, _] → [8, _, 6]

Show answer

Answer: Row2[2]=14, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [16,14]
  • [8,8,6]
Base
  • 8
  • 8
  • 6
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":1,"v":8}