9-1.34.5.66的简便运算
问题描述:
9-1.34.5.66的简便运算
答
9-1.34.5.66
=9-(1.34+5.66)
=9-7
=2
9-1.34.5.66的简便运算
9-1.34.5.66
=9-(1.34+5.66)
=9-7
=2