题目内容

快速写得数.
3.1×0.3=
0.04×0.2=0.16×0.5=
0.12×6=0.8×0.05=1.7×0.03=
1.8×0.4=2.1×0.4=
(1)3.1×0.3=0.93
(2)0.04×0.2=0.008
(3)0.16×0.5=0.08
(4)0.12×6=0.72
(5)0.8×0.05=0.04
(6)1.7×0.03=0.051
(7)1.8×0.4=0.72
(8)2.1×0.4=0.84.
故答案为:0.93,0.008,0.08,0.72,0.04,0.051,0.72,0.84.
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