12 3 - 6 11 =
5 15
7 1+ 6 4 =
3 7
18 1 - 15 5 =
4 6
21 1 - 4 1 =
2 8
3 8 + 7 5 =
15 6
24 1 - 6 7 =
8 9
18 1 + 7 2 =
3 5
27 9 - 11 6 =
10 7
8 1 6 5 =
9 7
21 1 + 11 3 =
4 15
bardzo bym prosila o szczegołowe rozwiązanie tych zadń z góry dzienki ::)
jak jest podkreslona cyfra to podspodem obok jest ułamek
pliska mam to na jutro :)))
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12 3/5 - 6 11/15 = 63/5 - 101/15 = 189/15 - 101/15 = 88/15 = 17 6/15
7 1/3 + 6 4/7 = 22/3 + 46/7 = 154/21 + 138/21 = 292/21 = 13 19/21
18 1/4 - 15 5/6 = 219/12 - 190/12 = 29/12 = 2 5/12
21 1/2 - 4 1/8=43/2 - 33/8 = 172/8 - 33/8 = 139/8 = 17 3/8
3 8/15 + 7 5/6 = 53/15 + 47/6 = 106/30 + 235/30 = 341/30 = 11 11/30
24 1/8 - 6 7/9 = 193/8 - 61/9 = 837/72 - 488/72 = 349/72= 4 61/72