101乘99,怎么简算
问题描述:
101乘99,怎么简算
答
101X99=(100+1)X99
=100X99+1X99
=9900+99
=9999
101乘99,怎么简算
101X99=(100+1)X99
=100X99+1X99
=9900+99
=9999