Odpowiedź:
Oblicz:
a) 4/5 : 2 = 4/5 * 1/2 = 2/5 * 1/1= 2/5
b) 2/7 : 3 = 2/7 * 1/3= 2/21
c) 4/7 : 2 = 4/7 * 1/2 = 2/7 * 1/1 = 2/7
d) 5/9 : 3 = 5/9 * 1/3= 5/27
e) 1 1/2 : 3 = 3/2 * 1/3 = 1/2 * 1/1= 1/2
f) 2 1/4 : 6 =9/4 * 1/6= 3/4 * 1/2 = 3/8
g) 4 1/5 : 7 = 21/5 * 1/7= 3/5 * 1/1= 3/5
h) 2 4/7 : 9 = 18/7 * 1/9 = 2/7 * 1/1 = 2/7
i) 20 2/3 : 31 = 62/3 * 1/31= 2/3 * 1/1= 2/3
j) 10 1/5 : 9 = 51/5 * 1/9 = 17/5 * 1/3= 17/15= 1 2/15
k) 10 2/11 : 21 = 112/11 * 1/21 = 16/11 * 1/3= 16/33
l) 1 1/99 : 15 = 100/99 * 1/15= 20/99 * 1/3= 20/297
Liczę na naj :p
