1/2+6?3/7
?-егер көбейту* болса онда
1/2+6*3/7=1/2+18/7=(7*1+2*18)/(7*2)=(7+36)/14=43/14
6+4*9/11=6+36/11=(11*6+1*36)/(11*1)=(66+36)/11=102/11
3/9+1*8/15=3/9+8/15=(15*3+9*8)/(15*9)=(45+72)/135=117/135
1/14+9*3/7=1/14+27/7=(1+2*27)/14=(1+54)/14=55/14
7*1/12+6=7/2+6=(7+2*6)/2=(7+12)/2=19/2
5/7+3*1/4=5/7+3/4=(5*4+7*3)/(4*7)=(20+21)/28=41/28