Zad.1 Oblicz Ułamki a)3 i 4/9 + 4 i 5/6= b)7 i 2/3 -4,6 c)9,2-4,6= d)4 i 2/3 * 2 i 2/7= e)0,2 * 2,7= f)9 i 1/3 : 2 i 4/6= g)6,3 :0.07= ,,*" Razy --,,:" dzielenie
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a)3 i 4/9 + 4 i 5/6= 7 i 8/18+15/18=8 i 5/18
b)7 i 2/3 -4,6= 7 i 20/30- 4 i 18/30=3 i 2/30
c)9,2-4,6=4,6
d)4 i 2/3 * 2 i 2/7=14/3*16/7=32/3=10 i 2/3
e)0,2 * 2,7=0,54
f)9 i 1/3 : 2 i 4/6=28/3:16/6=28/3*6/16=3,5
g)6,3 :0.07=90
A)8 i 5/18
B)3 i 1/15
C)4,6
D)2 i 2/21
E)0,54
F)3 i 1/2
G)900