Odpowiedź:
a) 15 i 7/17 - 2 i 11/17 + 23 i 5/17 - 8 i 15/17=
= 15 i 7/17 + 23 i 5/17 - 2 i 11/17 - 8 i 15/17= 38 i 12/17 - 10 i 26/17=
= 37 i 29/17- 10 i 26/17= 27 i 3/17
b) 13 i 4/7 - 3 i 5/7 + 2 i 1/7 + 4 i 3/5=
= 13 i 20/35 - 3 i 25/35 + 2 i 5/35 +4 i 21/35=
=13 20/35 + 2 i 5/35 + 4 i 21/35 - 3 i 25/35=19 i 46/35- 3 i 25/35=
= 16 i 21/35 = 16 i 3/5
c) 11 i 3/5 - 4 i 4/5 + 12 i 2/5 - 11 i 3/5 - 1 i 4/5=
= 11 i 3/5 + 12 i 2/5 - 4 i 4/5 - 11 i 3/5 - 1 i 4/5=25 - 16 i 11/5=
= 24 i 5/5- 18 i 1/5 = 6 i 4/5
d) 10 i 7/13 - 8 i10/13 +6 i 6/13 - 4 i 5/13 + 2 i 2/13 - 2 i 4/9=
= 10 i 63/117 - 8 i 90/117 + 6 i 54/117 -4 i 45/117 + 2 i 18/117 - 2 i 52/117=
= 18 i 135/117- 14 i 187/117= 18 i 135 /117- 15 i 70/117=
= 3 i 65/117
wyjaśnienie:
a)15 i 7/17 - 2 i 11/17 + 23 i 5/17 - 8 i 15/17=
b)13 i 4/7 - 3 i 5/7 + 2 i 1/7 + 4 i 3/5=
c)11 i 3/5 - 4 i 4/5 + 12 i 2/5 - 11 i 3/5 - 1 i 4/5=
d)10 i 7/13 - 8 i10/13 +6 i 6/13 - 4 i 5/13 + 2 i 2/13 - 2 i 4/9=
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Odpowiedź:
a) 15 i 7/17 - 2 i 11/17 + 23 i 5/17 - 8 i 15/17=
= 15 i 7/17 + 23 i 5/17 - 2 i 11/17 - 8 i 15/17= 38 i 12/17 - 10 i 26/17=
= 37 i 29/17- 10 i 26/17= 27 i 3/17
b) 13 i 4/7 - 3 i 5/7 + 2 i 1/7 + 4 i 3/5=
= 13 i 20/35 - 3 i 25/35 + 2 i 5/35 +4 i 21/35=
=13 20/35 + 2 i 5/35 + 4 i 21/35 - 3 i 25/35=19 i 46/35- 3 i 25/35=
= 16 i 21/35 = 16 i 3/5
c) 11 i 3/5 - 4 i 4/5 + 12 i 2/5 - 11 i 3/5 - 1 i 4/5=
= 11 i 3/5 + 12 i 2/5 - 4 i 4/5 - 11 i 3/5 - 1 i 4/5=25 - 16 i 11/5=
= 24 i 5/5- 18 i 1/5 = 6 i 4/5
d) 10 i 7/13 - 8 i10/13 +6 i 6/13 - 4 i 5/13 + 2 i 2/13 - 2 i 4/9=
= 10 i 63/117 - 8 i 90/117 + 6 i 54/117 -4 i 45/117 + 2 i 18/117 - 2 i 52/117=
= 18 i 135/117- 14 i 187/117= 18 i 135 /117- 15 i 70/117=
= 3 i 65/117
wyjaśnienie:
a)15 i 7/17 - 2 i 11/17 + 23 i 5/17 - 8 i 15/17=
= 15 i 7/17 + 23 i 5/17 - 2 i 11/17 - 8 i 15/17= 38 i 12/17 - 10 i 26/17=
= 37 i 29/17- 10 i 26/17= 27 i 3/17
b)13 i 4/7 - 3 i 5/7 + 2 i 1/7 + 4 i 3/5=
= 13 i 20/35 - 3 i 25/35 + 2 i 5/35 +4 i 21/35=
=13 20/35 + 2 i 5/35 + 4 i 21/35 - 3 i 25/35=19 i 46/35- 3 i 25/35=
= 16 i 21/35 = 16 i 3/5
c)11 i 3/5 - 4 i 4/5 + 12 i 2/5 - 11 i 3/5 - 1 i 4/5=
= 11 i 3/5 + 12 i 2/5 - 4 i 4/5 - 11 i 3/5 - 1 i 4/5=25 - 16 i 11/5=
= 24 i 5/5- 18 i 1/5 = 6 i 4/5
d)10 i 7/13 - 8 i10/13 +6 i 6/13 - 4 i 5/13 + 2 i 2/13 - 2 i 4/9=
= 10 i 63/117 - 8 i 90/117 + 6 i 54/117 -4 i 45/117 + 2 i 18/117 - 2 i 52/117=
= 18 i 135/117- 14 i 187/117= 18 i 135 /117- 15 i 70/117=
= 3 i 65/117
Mam nadzieje że pomagłam