16-24+30-19的简便运算
问题描述:
16-24+30-19的简便运算
答
16-24+30-19
=(16+30)-(24+19)
=46-43
=3
16-24+30-19的简便运算
16-24+30-19
=(16+30)-(24+19)
=46-43
=3