|____|___|___|____|_____| |____|___| 30:5=6 reprezinta o cincime 6x2=12 2/5 din figuri adica triunghiuri |___|___|___|___|____|___| |___| 30:6=5 reprezinta o sesime adica cercuri 12+5=17 triunghiuri si cercuri in total 30-17=13 figuri sunt patrate Verificare:5+12+13=30 figuri
