Mtu yeyote hapa ambaye angeweza kujibu swali (saa 42:42) "Ikiwa matrices A na B wana 4 sawa nafasi ndogo, basi _____jaza_katika_tupu____."####[['matrices', 'Mathematical_Related_Concept', 'NEU'], ['nafasi ndogo', 'Mathematical_Related_Concept', 'NEU']]