Oblicz: (-3)`2:1,5-[(-2,7)x(-1/9)+3/20x2]/√36/25 x 1/2 ` do potegi ... x razy

=9÷1,5-(3/10+3/10)÷6/5×1/2=6-3/5÷3/5=6-1=5

(-3)²:1,5-[(-2,7)x(-1/9)+3/20x2]/√36/25 x 1/2 = 9*15/10-[(-27/10)*(-1/9)+3/10]/(6/5)*1/2= 135/10-[3/10+3/10]/(3/50)= (135/10-6/10)/3/50=129/10*50/3=43*5=215