a)1. 5/6+7/8=41/24
2.3/4-1/2-1/8=2/16 simplificat prin 1/8
3. 41/24*18/41=9/12
4. 1/4*16/25=4/25
5. 4/25*1/8=1/50
6. 9/12+1/50=77/100
b) 1. 2/3-2/9=4/92
2. 9/4*4/9=1
3. 4+20/3=32/3
4. 32/3-1=29/3
5. 29/3:29/6=2
6. 29/4+2=37/4
Nu am timp sa o fac si c imi pare rau:(
