6/28,21/98,18/84,9/42,( )A.25/60B.12/44C.12/56D.25/78
6/28,21/98,18/84,9/42,( )
A.25/60
B.12/44
C.12/56
D.25/78
相关考题:
两个正整数的最大公约数是6,最小公倍数是72,则这两个数的和为A.42B.48C.78D.42或78E.48或78
6/28,21/98,18/84,9/42,( )
A.25/60
B.12/44
C.12/56
D.25/78