84*98怎么简算
问题描述:
84*98怎么简算
答
84*98
=84*(100-2)
=8400-168
=8232
答
84*(100-2)=8400-168=8232
答
84*98
=84*(100-2)
=84*100-84*2
=8400-168
=8232
或者
84*98
=(80+4)(100-2)
=80*100-80*2+4*100-4*2
=8000-160+400-8
=8232
答
84*(100-2)=8400-168=8232
答
=84*(100-2)
=84*100-84*2
=8400-168
=8232