• 1. (2023五上·越秀) 直接写出得数

  0.72+0.8=	4.9+3.1=	0.63-0.3=	9-5.9=
  4.2×0.3=	0.13×0.2=	0.04×1.5=	0.03×2.1=
  0÷0.08=	5.8÷0.1=	6.5÷0.65=	0.9÷0.001=