1 2/3 x ( 3,6 +4 1/5):0,4= 8 ;1,6-(4,5 x 1 1/2)= 10: (2 3/4 - 0,5 x 1 1/2) = 2/3; ( 3 2/3 x 3/2 - 1/2);0,4= Pomocy Pliska na jutro!!!!!!!!!!!!!!!

12/3*11,8:0,4=47,2:0,4 =118 8:1,6-24.75=5-24.75=-19.75 10:(5,75-2,75)=10:3= 3,(3) 2/3:(10.(6)*1.5-1/2):0.4=2/3:(15.9-1/2):0.4-2/3:7.95:0,4=0.2096

1 2/3 x ( 3,6 +4 1/5):0,4=  5/3 * ( 3 6/10+4 2/10) : 4/10= 5/3* 7 8/10 * 10/4= 5/3 * 7 4/5 * 10/4= 5/3* 39/5* 10/4= 65/2= 32 1/2 8 : 1,6-(4,5 x 1 1/2)= 8: 16/10 - 6,75= 8 * 10/16-6,75= 10/2-6,75=5-6,75=-1,75  10: (2 3/4 - 0,5 x 1 1/2) = 10:( 2,75 - 0,75)= 10: 2=5  2/3: ( 3 2/3 x 3/2 - 1/2): 0,4= 2/3: (11/3 *3/2 - 1/2): 0,4= 2/3: (11/2-1/2): 0,4= 2/3: 5: 0,4= 2/3* 1/5* 10/4= 4/12= 1/3