直接写得数．

6+2.4=	0.3×0.2=	0.55﹣0.5=	4.8÷6=
6.6×0.1=	0.5×2.4=	1﹣0.2=	4.6+5.4=
0.2÷0.01=	0.8×100=	6×0.01=	5.5÷10=