Răspunsuri

2014-10-14T09:34:44+03:00
A) 11(99+13)-112= 11*112-112=112(11-1)=112*10=1120
b) 32(1+15+84)=32*100=3200
c)177(36-31)-77*5=177*5-77*5=5(177-77)=5*100=500
unde * inseamna inmultire