(0.8+1\2)×5\4 (22+11\12)÷11\24
问题描述:
(0.8+1\2)×5\4 (22+11\12)÷11\24
答
(0.8+1\2)×5\4
=(4/5+1/2)*5/4
=1+5/8
=13/8
(22+11\12)÷11\24
=(22+11/12)×24/11
=22×24/11+11/12×24/11
=48+2
=50