0.99/4/0.11 0.75/0.125-2.7 求递等式计算能简便就简便
问题描述：
0.99/4/0.11 0.75/0.125-2.7 求递等式计算能简便就简便
答
0.99/4/0.11
=0.9/0.11/4
=9/4
=2.25
0.75/0.125-2.7
=0.75×8/(0.125×8)-2.7
=6/1-2.7
=6-2.7
=3.3