Oblicz .
2/3 z 30 zł
3/4 z 8 kg
5/4 z 12 h
3/5 z 60 zł
2 i 3/5 z 5 kg
1i 1/2 z 30 h
Proszę o pomoc ! X D
2/3z 30=2/3·30 =20 zl
3/4 z 8 =3/4 ·8=6 kg
5/4 z 12 = 5/4·12 =15 h
3/5z 60zł =3/5·60=36zł
2 i 3/5 z 5kg =13/5 ·5 =13kg
1 i 1/2 z 30h =3/2 ·30 =45 h
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2/3z 30=2/3·30 =20 zl
3/4 z 8 =3/4 ·8=6 kg
5/4 z 12 = 5/4·12 =15 h
3/5z 60zł =3/5·60=36zł
2 i 3/5 z 5kg =13/5 ·5 =13kg
1 i 1/2 z 30h =3/2 ·30 =45 h