17.8/(17.8*2)简便运算
问题描述:
17.8/(17.8*2)简便运算
答
17.8/(17.8*2)
=17.8/17.8*1/2
=1*1/2
=1/2
17.8/(17.8*2)简便运算
17.8/(17.8*2)
=17.8/17.8*1/2
=1*1/2
=1/2