3.6*14.4+9.3*32+3.21*36简便算法怎么算
问题描述:
3.6*14.4+9.3*32+3.21*36简便算法怎么算
答
3.6*14.4+9.3*32+3.21*36
=36*1.44+9.3*32+3.21*36
=36*(1.44+3.21)+9.3*32
=36*4.65+9.3*32
=36*4.65+4.65*64
=4.65*(64+36)
=465