多个分数相乘分子与分母互相约分。即7/11x5/8x11/10=7/16=0.4375
答:7/11x5/8x11/10=7/16
7/11×8×25×11/10 =(7/11×11/10)×(8×25) =7/10×200 =140
11/7×8/5×10/11=10/7×8/5=16/7
7/11×5/8×11/10=7/16