Obliczysz.? proszee. daje naj.!

a. 5 1/2 x 2,25-4 5/7 : 1 1/12=12,375- 33/7x 21/22= 12,375- 4,5= 7,875 b. (15/4 x 4/5-4,5:3,5):24= (60/20 - 45/10 x 10/35):24=(6/2-45/35):24=(21/7-9/7):24=12/7x 1/24= 12/168= 1/14 c. 11 1/4(5/3-4/3)= 11 1/4x1/3=45/12=3 3/4 d.4 1/8+55/100x3/22= 4 1/8+165/2200=4 1/8+33/440=4,125+0,075=4,2 e. (7/3-16/10): 1,1= (70/30-16/10);1,1=2,7;1,1=2 5/11 f. 10/3+125/100  =  1000/300+375/300 =1375/300=     ------------------       -----------------------  --------- 10/30-125/100   =    1000/300-375/300  = 625/300= 1375/300x300/625=66/30=2,2 g. 3,6 -------- = 3,6;0,12=30 0,12   h.     4 8/20-2 15/20          33/20     1+--------------------= 1+-------------= 1+33/20x (-20/30)= 1+(-660/660)=         2 15/20-4 8/20            (-33/20)           =1-1=0