笔算下面各题.12.6﹣4.8= 38×24= 605÷5= 17×17= 215÷3= 0.8+0.6=
10-÷×1
325×0.36+6.75×36
5.6×0.375+×5.4-0.375×0.9
5.6x+4x=17.28
x+=