oblicz pamietajac o kolejnosci wykonywania działan a)  10 x  1/5 - 1/3/ : 12 + 3i1/3 = b) 2i1/5 : 6/7 + 4i1/2 x 2i2/3 - ( 3/4 + 1/6) : 11/15 = prosze o pomoc

a) 10 x 1/5 - 1/3 : 1/2 + 3i1/3 = 2 - 1/6 = 5/6 b) 11/5*7/6 +9/2 x 8/3 - ( 3/4 + 1/6) : 11/15 =  77/30 + 12 - ( 11/12)*15/11 = 437/30 - 15/12 = 799/60=13 i 19/60 

a) 10 * 1/5  - 1/3 : 1/2 +3 1/3=2-1/3 * 2 +3 1/3=2-2/3+3 1/3=1 1/3 +3 1/3=4 2/3 b) 2 1/5 : 6/7 +4 1/2 * 2 2/3 - (3/4 + 1/6) : 11/15=11/5 * 7/6 + 9/2 * 8/3-(9/12+2/12) *15/11=77/30 + 72/6 -11/12 * 15/11=2 17/30 + 12 -165/132=14 17/30 -1 33/132= 14 17/30 - 1 1/4=14 34/60 - 1 15/60=13 19/60