Ответ:
Пошаговое объяснение:
5/72 : 5/96 = 5/72 * 96/5=96/72=4/3
1:2/3 = 1 * 3/2 = 3/2 = 1 1/2
2 1/3 : 1 1/4 = 7/3 : 5/4 = 7/3 * 4/5 = 28/15 = 1 13/15
16/27 : 2/9 = 16/27 * 9 /2 = 8/3 = 2 2/3
2 : 1/4 = 2* 4/1 = 8
8/3 : 2/3 = 8/3 * 3/2 = 8/2 = 4
0,4 : х = 1/5 : 2/3
1/5х = 2/3 * 0,4
1/5х = 2/3 * 4/10
1/5х = 2/3 * 2/5
1/5х = 4/15
х = 4/15 : 1/5
х = 4/15 * 5/1
х = 4/3
-6x-3x=-6-9;
-9x=-15;
15/9
ответ:15/9
(дробь)