a) 1/2×276=276/2= 138 ( o doime =1/2)
d) 2/5×150=300/5=60 ( doua cincimi= 2/5)
b) 1/3×342= 342/3 =114 ( o treime= 1/3)
e)3/8×640= 3×640/8= 1920/8= 240 (trei optimi= 3/8)
c) 3/4×720= 3×720/4= 2160/4= 540 ( trei sferturi= 3/4)
i)5/7 ×350= 5×350/7= 1750/7= 250 ( cinci septimi = 5/7)