6.7 ×0.98简便计算
问题描述：
6.7 ×0.98简便计算
答
6.7 ×0.98
=6.7×(1-0.02)
=6.7-0.134
=6.566
6.7 ×0.98简便计算
6.7 ×0.98
=6.7×(1-0.02)
=6.7-0.134
=6.566