99.99×0.8+11.11×1.8
问题描述:
99.99×0.8+11.11×1.8
答
99.99*0.8+11.11*9*0.2=99.99*0.8+99.99*0.2=99.99*(0.8+0.2)=99.99*1=99.99
99.99×0.8+11.11×1.8
99.99*0.8+11.11*9*0.2=99.99*0.8+99.99*0.2=99.99*(0.8+0.2)=99.99*1=99.99