[tex]a) \frac {2*5-(-3)^2}{4}=\frac{10-9}{4}=\frac{1}{4}\\b) 3,5*(-5)+5*2,5= -17,5+12,5= -5\\c) 3*6 - \frac{1}{2}*(-4) = 18-(-2)=20 \\d) \frac{4}{-3,5+3*(-1\frac{1}{6})} = \frac{4}{-3,5-3\frac{3}{6}}=-\frac{4}{7}\\[/tex][tex]e) 3*2*(-6) +2^2*(-6)= -36 - 24 = -60\\f) 2*(-\frac{2}{3})(-4+1)^2= -\frac{4}{3}(-4+1)^2=- \frac{4}{3}*(-3)^2= -12\\g) \frac{2}{7} (1,5-2*(-6\frac{1}{4}) )^2= \frac{2}{7} *(1,5-(-12\frac{2}{4}))^2= \frac{2}{7}*(1,5+12,5)^2= \frac{2}{7}*14^2= 4=\frac{2}{7}*196= 56\\h) 0,2(-5)^2(0-(-5))= 0,2*25*5=5*5=25[/tex]
