zad. 23
Wykonaj dodawanie:
a) 0,75 + 4/5 =
b) 5/6 + 0,3 =
c) 0,25 + 3/7 =
d) 4 i 5/8 + 0,6 =
e) 0,15 + 7 i 1/3 =
f) 3/4 + 4,56 =
g) 10 i 1/2 + 2,875 =
h) 1,02 + 3 i 9/50 =
i) 2 i 5/9 + 1,4 =
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a) 0.75+4/5=1.55
b) 5/6 + 0,3 =5/6+3/10= 50/60+18/60=68/60=1 i 8/60
c) 0,25 + 3/7 =1/4+3/7= 7/28+12/28= 19/28
d) 4 i 5/8 + 0,6 =1.225
e) 0,15 + 7 i 1/3 =3/20+7i1/3= 9/60+7i 20/60=7i 29/60
f) 3/4 + 4,56 =5.31
g) 10 i 1/2 + 2,875 =13.375
h) 1,02 + 3 i 9/50 =1.2
i) 2 i 5/9 + 1,4=2i 5/9+1 i 2/5= 2 i 25/45+1i 18/45=3 i 43/45