A)33.3 92 2B 2= 2^23-46 23 2=2= = = 23 B) 1-6,4+2,21: 2,1 =

А) \[\frac{33}{92} : \frac{3}{23} - 2 = \frac{33}{92} \cdot \frac{23}{3} - 2 = \frac{11 \cdot 3 \cdot 23}{4 \cdot 23 \cdot 3} - 2 = \frac{11}{4} - 2 = \frac{11}{4} - \frac{8}{4} = \frac{3}{4}\]
Б) \[|-6.4 + 2.2| : 2.1 = |-4.2| : 2.1 = 4.2 : 2.1 = 2\]