4.15-3/4x1/10-5/8等于多少、求过程
问题描述：
4.15-3/4x1/10-5/8等于多少、求过程
答
4.15-3/4*1/10-5/8
=4.15-0.75*1/10-0.625
=4.15-0.75/10-0.625
=4.15-0.075-0.625
=3.45
答
中间那个x是乘吧
则原式=4.15-0.75×0.1-0.625
=4.15-0.075-0.625
=3.45