1) 75 - 3,75 = 71,252) 0,48 25 = 123) 2/3 - 2 = -1 1/34) 4/7 : 8 = 4/56 = 1/145) 5 1/2 2/11 = 11/2 2/11 = 11/1 = 116) 1 1/7 : 1/14 = 8/7 / 1/14 = (8/7) / (1/14) = (8/7) (14/1) = 8 * 2 = 167) -18 / (-4,5) = 4
1) 75 - 3,75 = 71,25
2) 0,48 25 = 12
3) 2/3 - 2 = -1 1/3
4) 4/7 : 8 = 4/56 = 1/14
5) 5 1/2 2/11 = 11/2 2/11 = 11/1 = 11
6) 1 1/7 : 1/14 = 8/7 / 1/14 = (8/7) / (1/14) = (8/7) (14/1) = 8 * 2 = 16
7) -18 / (-4,5) = 4