<span>5/6=5*4/24=20/24</span>
Ответ:
Пошаговое объяснение:
а) 1)25.287 + 48.589=73876
2)73876:92=803
3)92х10=920
4) 920:2=460
б) 1)73876:92=27468
2) 27468-5295=22173
3)22173:57=389
4)397.370 : 79=5030
5) 5030-389=4641
7/24х=11 5/8-7 2/3
7/24х=11 15/24-7 16/24
7/24х=3 23/24
х=3 23/24 : 7/24=95/24*24/7=95/7=13 12/21
16,26,36,46,56,66,76,86,96
1цел 3/7 z=1цел 3/8-7/8=11/8-7/8=4/8, 1цел 3/7=4/8=1/2, z=1/2 : 1цел3/7=1/2 :10/7=1/2 х 7/10=7/20, z=7/20.
(8/15 + 2/9 y)=2 х 3/5=6/5, 8/15 + 2/9 y=6/5, 2/9 y=6/5 - 8/15=18/15 -8/15=7/15, 2/9y=7/15, y=7/15 : 2/9=7/15 х 9/2=63/30=21/10=2цел 1/10, z=2цел 1/10