ibu sela mmbeli 12 lusin piring nmun setiba di rumah 3 lusin pecah kemudian 8 piring retak.berapa sisa piring ibu sela

100piring
144-36-8
=100 piring
caranya :
12x12-12x3-8
144-36-8
=100

12 lusin=12 kali 12 piring = 144 piring
3 lusin = 3 kali 12 piring = 36 piring
144 piring-36 piring-8 piring
108 piring - 8 piring
100 piring