7/12+5/12*24/35=(要简算)
问题描述:
7/12+5/12*24/35=(要简算)
答
7/12+5/12*24/35
=7/12+2/7
=49/84+24/84
=73/84
答
7/12+5/12*24/35
=1-5/12+5/12*24/35
=1-5/12*(1-24/35)
=1-5/12*11/35
=1-11/84
=73/84