7 i 1/21 - 5 i 1/7 = oraz 2/13 : (4 i 5/6 - 1 i 1/3) - 1/6 = plis proszę o jak najszybszą odpowieć
7i1/21-5i1/7=7i1/21-5i3/21=1i19/21
2/13:(4i5/6-1i2/6)-1/6=2/13:3i3/6-1/6=2/13:3i1/2-1/6=2/13:7/2-1/6=2/13*2/7-1/6=
4/91-1/6=24/546-91/546=-67/546
7i1/21 -5i1/7= 7i1/21 - 5i3/21= 6i22/21 - 5i3/21= 1i19/21
2/13 : (4i5/6 -1i1/3) -1/6 = 2/13 :(4i5/6 - 1i2/6) -1/6= 2/13 :3i3/6 -1/6=
= 2/13 :21/6 -1/6= 2/13 * 6/21 -1/6= 12/273 - 1/6= 24/546 - 91/546 = - 67/546
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7i1/21-5i1/7=7i1/21-5i3/21=1i19/21
2/13:(4i5/6-1i2/6)-1/6=2/13:3i3/6-1/6=2/13:3i1/2-1/6=2/13:7/2-1/6=2/13*2/7-1/6=
4/91-1/6=24/546-91/546=-67/546
7i1/21 -5i1/7= 7i1/21 - 5i3/21= 6i22/21 - 5i3/21= 1i19/21
2/13 : (4i5/6 -1i1/3) -1/6 = 2/13 :(4i5/6 - 1i2/6) -1/6= 2/13 :3i3/6 -1/6=
= 2/13 :21/6 -1/6= 2/13 * 6/21 -1/6= 12/273 - 1/6= 24/546 - 91/546 = - 67/546