Ile razy wykonując działania otrzymamy 3 i 1/2? Chodzi o ułamki. 2 i 1/6 + 1 i 2/6= 1 i 1/4 + 2 i 1/4= 5 i 1/4 - 2 i 3/4= 6 i 3/8 - 2 i 7/8=
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2 i 1/6 + 1 i 2/6= 3 i 3/6 = 3 i 1/2
1 i 1/4 + 2 i 1/4=3 i 2/4 = 3 i 1/2
5 i 1/4 - 2 i 3/4= 2 i 1/ 2
6 i 3/8 - 2 i 7/8= 3 i 4/8 = 3 i 1/2
odp
otrzymamy 3 razy
2i1/6+1i2/6=3i3/6=3i1/2
1i1/4+2i1/4=3i2/4=3i1/2
5i1/4-2i3/4=4i5/4-2i3/4=2i2/4
6i3/8-2i7/8=5i11/8-2i7/8=3i4/8=3i1/2
3 razy