1) 2/7 : х = -22/14 2/7 * 1/х = -11/7 2/7х = -11/7 14 = -77х -77х = 14 х = -2/112) х / 3/5 = -2/15 3/5 х = -2/15 х = -2/9
1) 2/7 : х = -22/14
2/7 * 1/х = -11/7
2/7х = -11/7
14 = -77х
-77х = 14
х = -2/11
2) х / 3/5 = -2/15
3/5 х = -2/15
х = -2/9