Oblicz . a.) 3 1/4 x 5 b.) 1 3/25 x 10 c.) 12 x 5 8/15 d.) 9 x 1 5/12 e.) 4 5/6 : 3 f.) 2 5/12 : 4 g.) 3 1/15 : 6 h.) 1 3/16 :10 POMOCY ! To na jutro

a.) 3 i 1/4 * 5 = = 13/4 * 5=  =65/4= = 16 i 1/4 b.) 1 i 3/25 * 10 = = 28/25 * 10 = (skracam 25 z 10) = 28/5 * 2= = 56/5= = 11 i 1/5 c.) 12 * 5 i 8/15= = 12 * 83/15 = (skracam 12 z 15) = 4 * 83/5= = 332/5= = 66 i 2/5 d.) 9 * 1 i 5/12 = = 9 * 17/12 =  (skracam 9 z 12) = 3 * 17/4 = = 51/4 = = 12 i 3/4 e.) 4 i 5/6 : 3 = = 29/6 * 1/3 = = 29/18 = = 1 i 11/18 f.) 2 i 5/12 : 4= = 29/12 * 1/4 = = 29/48 g.) 3 i 1/15 : 6= = 46/15 * 1/6 = (skracam 46 z 6) = 23/15 * 1/3= = 23/45 h.) 1 i 3/16 :10= = 19/16 * 1/10 = = 19/160

a) 16 1/4 b)11 1/5 c)66 2/5 d)12 3/4 e)4 1/6 f)35/60 g)46/90 h)19/160