5.4乘62加1.8乘114简便计算
问题描述:
5.4乘62加1.8乘114简便计算
答
540
答
5.4乘62加1.8乘114
=5.4×62+3.6×62
=62×(5.4+3.6)
=62×10
=620
答
5.4×62+1.8×114
=5.4×62+1.8×3×38
=5.4×62+5.4×38
=5.4×(62+38)
=5.4×100
=540