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a) 4/5+2,25=0,8+2,25=3,05
b)2 3/4+0,3=2,75+0,3=3,05
c)2 1/2 *O,6=2,5*0,6=1,5
D)2/5*1,1=0,4*1,1=0,44
E) 1 3/5 - 0,8=1,6-0,8=0,8
F)11/20-0,35=0,55-0,35=0,2
G)3/5:O,2=0,6:0,2=6:2=3
H)1,2:3/5=1,2:0,6=12:6=2
1/2=0.5
1/5=0.2
1/8=0.125
1/20=0.05
a)4/5+2.25=0.8+2.25=3.05
b)2 3/4+0.3=2.75.0.3=3.05
c)2 1/2 *0.6=2.5*0.6=1.5
d)2/5*1.1=0.4*1.1=0.44
e)1 3/5-0.8=1.6-0.8=0.8
f)11/20-0.35=0.55-0.35=0.2
g)3/5:0.2=0.6:0.2=3
h)1.2:3/5=1.2:0.6=2
Mam nadzieję,że pomogłam
Pozdrawiam :)