3ц1/8-7ц5/6=25/24-47/24=22/24=- 11/12;
-11/12: -4ц17/24=22/113;
22/113•-1,8=22/113•-18/10=- 198/113=-1ц85/113;
5ц1/9•6/23=46/6•6/23=4/3=1ц1/3;
1ц1/3-4=1ц1/3-3ц3/3=-2ц2/3;
- 2ц2/3•3/10=8/3•3/10=- 4/5;
- 4/5:- 1ц1/3=4/5:4/3=3/5;
77:y=46-25
77:y=21
77:21=y
y=3 u 2/3
2) 5/8+5/6=5*4+5*3/24=35/24=1(11/24)
1) 5/8-5/6=5*4+5*3/24 =5/24
3) 5/24:(-15/16)=-(5/24*16/15)=2/9
4) 35/24:7/8=35/24*8/7=5/3=1(2/3)
5)2/9-5/3=30/9=10/3=3(1/3)
Всем привет
Я обожаю Роналду
3111 − 7236 / 18= <span>2709</span>
<span>2610 / 58 × 45 + 3860 × 100<span> = <span>388025
по действиям во вложении
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