b)121•(45•10-439) =121•(450-439) =121•11 =1331 c)[(314:2-57)+25]:25-5= =[(157-57)+25]:25-5= =(100+25):25-5= =125:25-5= =5-5=0 pana aici îți pot face scuze dar nu mai am timp
a) 45 ori 41=1845 b) 121 ori (450-439) 121ori11=1331 c)[(157-57)+25]:25-5 =(100+25):25-5 =125:25-5 =5-5=0 d)[(150:75+4)ori 100-200]:80 =[(2+4)ori 100-200]:80 =(6 ori 100-200):80 =(600-200):80 =400:80=5 e)(