6.05-0.32-0.68+2.95【用简便方法计算】
问题描述:
6.05-0.32-0.68+2.95【用简便方法计算】
答
6.05-0.32-0.68+2.95
=(6.05+2.95)-(0.32+0.68)
=9-1
=8