56乘57加43乘56怎么简便做
问题描述:
56乘57加43乘56怎么简便做
答
56X57+43X56
=56X(57+43)
=56X100
=5600
56乘57加43乘56怎么简便做
56X57+43X56
=56X(57+43)
=56X100
=5600