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a) 0,5*1/3 = 1/2*1/3 = 1/6
b) 0,75*1/5 = 3/4*1/5 = 3/20
c) 1 1/4 : 1,25 = 1,25 : 1,25 = 1
d) 0,25 : 1/2 = 1/4 : 1/2 = 1/4 * 2 = 2/4 = 1/2
e) 0,25*1/2 - 1/4*1/2 = 1/8
f) 1,5 : 1/2 = 3/2 * 2 = 3
g) 2,125 : 1/8 = 2 1/8 * 8 = 17/8 *8 = 17
h) 0,5 : 1/4 = 1/2 * 4 = 2
zad 29
a) 0,2*1/8 = 1/5*1/8 = 1/40
b) 1 1/3 * 2,7 = 4/3 * 27/10 = 2/1*9/5 = 18/5 = 3 3/5
c) 1 1/3 * 3 3/4 *0,2 = 4/3 * 15/4 * 1/5 = 60/60 = 1
d) 3/4:0,0375 = 0,75 : 0,0375 = 7500 ; 375 = 20
e) 0,48 : 1 1/7 = 48/100 : 8/7 = 12/25 * 7/8 = 21/50
f) (3 7/9 : 1,7) : 2 = (34/9 * 10/17)*1/2 = 20/9*1/2 = 20/18 = 1 2/18 = 1 1/9
g) (2 2/11 : 8/3)*0,11 = (24/11 * 3/8)*11/100 = 9/11 * 11/100 = 9/100
h) 1,8 : (1 1/3 * 6 3/4) = 1,8 : (4/3 * 27/4) = 1,8 : 9 = 0,2
i) (2 1/7 : 5/14) : 0,6 = (15/7 * 14/5) : 0,6 = 6 : 0,6 = 10