oblicz, zamieniająć ułamki zwykłe na dziesiętne. 1,245+3/4= 4,35-3/200= 7/8-0,78= 5,4-5/4= 12/5-0,85+3 7/20= 3 3/25-(0,8-1/4)=
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1.245+3/4 = 1.245+0.75 = 1.995
4.35 - 3/200 = 4.35 - 0.015 = 4.335
7/8 - 0.78 = 0,875 - 0.78 = 0.095
5.4 -5/4 = 5.4 - 1.25 = 4.15
12/5 - 0.85 + 3 7/20 = 2,4 - 0.85 + 3.35 = 4.9
3 3/25-(0.8-1/4)= 3.12 - (0.8 - 0.25 ) = 3.12 - 0.55 = 2,57
1,245+0,75 = 1,995
4,35-0,015= 4,335
0,875-0,78= 0,095
5,4- 1,25=4,15
2,4-0,85+1,85 =3,4
1,32-(0,8- 0,25)=0,77