a) (3/4 - 1/5 ) : 1/2 =
b) 3,2 : (0,8 -2/5) =
c) 2/3 * (1/2 - 1/6) =
d)4,8+1/3 *(1,2 - 0,6) =
e) (1- 7/9) * (5,2 - 0,7) =
f) 123 : 10 + 0,2 * 6,1 =
g) (6,5 - 4,7):(4-2 i1/5) =
h) (1,5 - 1 i 1/3) * 2 i 2/5 - 0,1 =
i) ( 6,25 - 2i 1,2 ) : 2 i 1/7 - 1 =
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a) (3/4 - 1/5) : 1/2=
(15/20 - 4/20) : 1/2=
11/20 : 1/2=
11/20 * 2/1= 11/10= 10 i 1/10
b) 3,2 : (8/10 - 2/5)=
3,2 : (8/10 - 4/10)=
3,2 : 4/10=
32/10 * 10/4= 8
c) 2/3 * (1/8 - 1/6)-
2/3 * ( 3/6 - 1/6)=
2/3 * 2/3= 3/9
d) 4,8 + 1/3 * ( 12/10 - 6/10)=
4,8 + 1/3 * 6/10=
4,8 + 6/30=
48/10 + 6/30=
144/30 + 6/30=
150/30+ 15
a)=(15/20-4/20):1/2=11/20*2/1=11/10=1 i 1/10
b)=3,2:(0,8-0,4=3,2:0,4=8
c)=2/3*(3/6-1/6)=2/3*1/3=2/9
d)=48/10+1/3*(12/10-6/10)=144/30+10/30*6/10=154/30*6/10=77/25=3 i 2/25