The expression simplifies to:
7ц + 5ц - 68ц + 27кг + 9ц + 6кг= 21ц - 68ц + 27кг + 6кг= -47ц + 33кг
Therefore, the simplified expression is -47ц + 33кг.
The expression simplifies to:
7ц + 5ц - 68ц + 27кг + 9ц + 6кг
= 21ц - 68ц + 27кг + 6кг
= -47ц + 33кг
Therefore, the simplified expression is -47ц + 33кг.