7.32-7/12+2.68-1/4 5/8+(22/27-5/8)
=(7.32+2.68)-(7/12+1/4) =(5/8-5/8)+22/27
=10-10/12 =22/27
=9又5/6
11/9-5/7+7/9-2/7
=(11/9+7/9)-(5/7+2/7)
=2-1
=1
7.32-7/12+2.68-1/4 5/8+(22/27-5/8)
=(7.32+2.68)-(7/12+1/4) =(5/8-5/8)+22/27
=10-10/12 =22/27
=9又5/6
11/9-5/7+7/9-2/7
=(11/9+7/9)-(5/7+2/7)
=2-1
=1