4 gros+12 lusin-500 lembar

4 gross = 144 × 4 = 576 buah
12 lusin = 12 × 12 = 144 buah
576 + 144 - 500
= 220 lembar.

4 gros+12 lusin-500 lembar
= (4×144) + (12×12) - 500
= 576 + 144 -500
=220
semoga membantu ya