Odpowiedź:
120:50= 12/5 = 2 2/5
50:17= 2 16/17
152:70= 2 12/70
220:90= 22/9 = 2 4/9
0,8:0,02= 80/2 = 40
3:1/5= 3 x 5/1 = 15
-5,6:(-8)= -56 : (-80) = -56/-80 = 7/10
7,2:(-0,09)= 720 : (-9) = 720/-9 = -80
-4,2:0,07= -420 : 7 = -420/7 = -60
540:0,6= 5400 : 6 = 5400/6 = 900
4/9:(-2/27)= 4/9 x (-27/2) = -108/18 = -6
-28/15:7= -28/15 x 1/7 = -28/105 = -4/15
-8/9:(-10/3)= -8/9 x (-3/10) = 24/90 = 4/15
-3 1/3:4 1/6 = -31/3 x 6/41 = -31/1 x 2/41 = -62/41
1 1/5: 12/25= 11/5 x 25/12 = 11/1 x 5/12 = 55/12 = 4 7/12
4/5: 1 1/5= 4/5 x 5/11 = 4/1 x 1/11 = 4/11
2 1/12 : ( - 1 7/8) = 25/12 x (- 8/17) = 25/3 x (-2/17) = -50/51
1/2: 1,5 = 1/2 : 15/10 = 1/2 x 10/15 = 1 x 5/15 = 1/3
-0,8:(-2/3)= -8/10 x (-3/2) = -4/10 x (-3/1) = 12/10 = 6/5
-0,1:2/5= -1/10 : 2/5 = -1/10 x 5/2 = -5/20 = -1/4
3/4:0,2= 3/4 : 2/10 = 3/4 x 10/2 = 3/2 x 5/2 = 15/4 = 3 3/4
Szczegółowe wyjaśnienie: