Пошаговое объяснение:
1. 4.37:1.9+8.78=11.08
2. 7.91-6.72:1.2=2.31
3. 6.88:1.6-3.99=0.31
4. 10.05+7.31:1.7=14.35
5. 85.8:0.33-258.1=1.9
6. 1.968:0.41+28.2=33
