number-pyramid/multiplication-3layer/hard · セット 99

4 problems
1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [30, 30] → [_, 13, _] → [10, _, _, _] → [6, 4, _, _, _] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [_, _] → [_, _, 23] → [6, 9, 10, _] → [_, _, 6, _, 9] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 36] → [29, _, _] → [16, _, 6, _] → [_, _, _, 1, 10] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [51, _] → [24, _, 34] → [_, _, _, 18] → [_, 5, 6, _, 8] =
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