27*98+2*27*1用简便计算
问题描述:
27*98+2*27*1用简便计算
答
27*98+2*27*1
=27×(98+2)
=27×100
=2700
27*98+2*27*1用简便计算
27*98+2*27*1
=27×(98+2)
=27×100
=2700