237-(163-28) 简便运算【记住,是简便运算,
问题描述:
237-(163-28) 简便运算【记住,是简便运算,
答
237-(163-30+2)
=237-135
=102
237-(163-28) 简便运算【记住,是简便运算,
237-(163-30+2)
=237-135
=102