A Difficult Math
12 (21) 26
16 (30) 36
20 (38) 48
24 (54) 60
28 ( ? ) 84
Each numeral series stands on its own.
Ther relationship is among the first/second/third numbers.
The relationship is the same for each numeral series.
But each numeral series does not affect each other.
12 (21) 26
16 (30) 36
20 (38) 48
24 (54) 60
28 ( ? ) 84
Each numeral series stands on its own.
Ther relationship is among the first/second/third numbers.
The relationship is the same for each numeral series.
But each numeral series does not affect each other.