0.0165×12.5-1.65×0.025的简便计算
问题描述:
0.0165×12.5-1.65×0.025的简便计算
答
0.0165x12.5-1.65x0.025
=1.65x0.125-1.65x0.025
=1.65x(0.125-0.025)
=1.65x0.1
=0.165