4.4*28.6+41.6*5.6 简便计算
问题描述：
4.4*28.6+41.6*5.6 简便计算
答
4.4*28.6+41.6*5.6
=4.4*28.6+(28.6+13)*5.6
=(4.4+5.6)*28.6+13*5.6
=286+72.8
=358.8
答
原式=4.4*5.6+4.4*23+41.6*5.6
=46*5.6+4.4*23
=23*5.6+23*5.6+4.4*23
=23*（5.6+4.4）+23*5.6
=23*10+23*5.6
=230+128.8
=358.8