3600除以45,怎么简便运算,
问题描述:
3600除以45,怎么简便运算,
答
3600÷45
=3600÷9÷5
=400÷5
=80
3600除以45,怎么简便运算,
3600÷45
=3600÷9÷5
=400÷5
=80