решите уравнение 1 1/3-(-8/9-x)=2 5/6
1ц 1/3-(-8/9-x)=2ц 5/6
8/9+х=2ц 5/6-1ц 1/3
х=1 ц 3/6-8/9
х=11/18
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1ц 1/3-(-8/9-x)=2ц 5/6
8/9+х=2ц 5/6-1ц 1/3
х=1 ц 3/6-8/9
х=11/18