65乘1.02减65急
问题描述:
65乘1.02减65急
答
65乘1.02减65
=65x1+65x0.02-65
=65-65+1.3
=1.3
65乘1.02减65急
65乘1.02减65
=65x1+65x0.02-65
=65-65+1.3
=1.3