533, 534 вторые столбики
533 б)=-9/7-1/49=-63/49-1/49=-64/49 г)=-1/4-1/4=-2/4=-1/2 534 б)=3/4+11/12=9/12+11/12=20/12=5/3=1 2/3 г)=1/24-1/8=1/24-3/24=-2/24=-1/12