1. 12 3/5 - 5 4/5 =6 4/5 2. 5 4/7 - 4 6/7 =5/7 3. 11 13/17 - 2 15/17 = 151/7 = 21 4/7 4. 3 1/4 - 2 3/4 = 2/4 = 1/2 5. 15 1/3 - 13 2/3 = 5/3 = 1 2/3 6. 5 4/11 - 2 9/11 = 28/11= 2 6/11 7. 24 3/9 - 7 8/9 = 148/9 = 16 4/9 8. 21 2/33 - 2 12/33 = 617/33 =16 23/33 liczę na najlepszą. :] pozdrawiam.
1. 12 3/5 - 5 4/5 = 63/5 - 29/5 = 34/5 = 6 4/5 2. 5 4/7 - 4 6/7 = 39/7 - 34/7 = 5/7 3. 11 13/17 - 2 15/17 = 200/17 - 49/17 =151/17 = 8 15/17 4. 3 1/4 - 2 3/4 = 13/4 - 11/4 = 2/4 5. 15 1/3 - 13 2/3 = 46/3 - 41/3 = 5/3 = 1 2/3 6. 5 4/11 - 2 9/11 = 50/11 - 31/11 = 28/11 = 2 6/11 7. 24 3/9 - 7 8/9 =219/9 - 71/9 = 148/9 = 16 4/9 8. 21 2/33 - 2 12/33 =695/33 - 78/33 = 617/33 = 18 23/33 mam nadziej że pomogłam :))
1. 12 3/5 - 5 4/5 = 11 8/5 - 5 4/5 = 6 4/5 2. 5 4/7 - 4 6/7 = 4 11/7 - 4 6/7 = 5/7 3. 11 13/17 - 2 15/17 = 10 30/17 - 2 15/17 = 8 15/17 4. 3 1/4 - 2 3/4 = 2 5/4 - 2 3/4 = 2/4 = 1/2 5. 15 1/3 - 13 2/3 = 14 4/3 - 13 2/3 = 1 2/3 6. 5 4/11 - 2 9/11 = 4 15/11 - 2 9/11 = 2 6/11 7. 24 3/9 - 7 8/9 = 23 12/9 - 7 8/9 = 16 4/9 8. 21 2/33 - 2 12/33 = 20 35/33 - 2 12/33 = 8 23/33
