口算题：0.75×2=0.42×0.2=2.5×0.4=40×1.3=0.07×8=1.2×0.4=0.08×0.5=1.25×8=0.03×3.1=1.3×5=-数学

题目简介

口算题： 0.75×2=	0.42×0.2=	2.5×0.4=	40×1.3=	0.07×8=
1.2×0.4=	0.08×0.5=	1.25×8=	0.03×3.1=	1.3×5=

题型：解答题难度：中档来源：不详

0.75×2=1.5	0.42×0.2=0.084	2.5×0.4=1	40×1.3=52	0.07×8=0.56
1.2×0.4=0.48	0.08×0.5=0.04	1.25×8=10	0.03×3.1=0.093	1.3×5=6.5