1. 5/6-5/9=5/18
2. 1/3+0,3=19/30
3. 4-2.7/11=1.4/11
4. 6/25×5/12=1/10
5. 1,5×4/9=2/3
6. 6/7:14/15=45/49
7. 3.2/9:1.4/9=2.3/13
8. 4.3/5×15= 63
1. 5/6-5/9=5/18
2. 1/3+0,3=19/30
3. 4-2.7/11=1.4/11
4. 6/25×5/12=1/10
5. 1,5×4/9=2/3
6. 6/7:14/15=45/49
7. 3.2/9:1.4/9=2.3/13
8. 4.3/5×15= 63