简便方法计算 4.4*28.6+41.1*5.6原式=(10-5.6)*28.6+41.1*5.6=10*28.6-5.6*28.6+41.1*5.6=286+(41.1-28.6)*5.6=286+12.5*5.6=286+12.5*8*0.7=286+70=356
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 18:32:00
![简便方法计算 4.4*28.6+41.1*5.6原式=(10-5.6)*28.6+41.1*5.6=10*28.6-5.6*28.6+41.1*5.6=286+(41.1-28.6)*5.6=286+12.5*5.6=286+12.5*8*0.7=286+70=356](/uploads/image/z/1262258-26-8.jpg?t=%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97+4.4%2A28.6%2B41.1%2A5.6%E5%8E%9F%E5%BC%8F%3D%EF%BC%8810-5.6%EF%BC%89%2A28.6%2B41.1%2A5.6%3D10%2A28.6-5.6%2A28.6%2B41.1%2A5.6%3D286%2B%EF%BC%8841.1-28.6%EF%BC%89%2A5.6%3D286%2B12.5%2A5.6%3D286%2B12.5%2A8%2A0.7%3D286%2B70%3D356)
简便方法计算 4.4*28.6+41.1*5.6原式=(10-5.6)*28.6+41.1*5.6=10*28.6-5.6*28.6+41.1*5.6=286+(41.1-28.6)*5.6=286+12.5*5.6=286+12.5*8*0.7=286+70=356
简便方法计算 4.4*28.6+41.1*5.6
原式=(10-5.6)*28.6+41.1*5.6
=10*28.6-5.6*28.6+41.1*5.6
=286+(41.1-28.6)*5.6
=286+12.5*5.6
=286+12.5*8*0.7
=286+70
=356
简便方法计算 4.4*28.6+41.1*5.6原式=(10-5.6)*28.6+41.1*5.6=10*28.6-5.6*28.6+41.1*5.6=286+(41.1-28.6)*5.6=286+12.5*5.6=286+12.5*8*0.7=286+70=356
原式=(10-5.6)*28.6+41.1*5.6
=10*28.6-5.6*28.6+41.1*5.6
=286+(41.1-28.6)*5.6
=286+12.5*5.6
=286+12.5*8*0.7
=286+700
=986