Question

根据13×28=364，很快地写出下面各式的积．1.3×2.8=______0.13×0.28=______13×2.8=______0.013×28=__

根据13×28=364，很快地写出下面各式的积．1.3×2.8=______0.13×0.28=______13×2.8=______0.013×28=______0.13×2.8=______1.3×0.028=______．

Answer 1

根据13×28=364，可得：

1.3×2.8=3.64	0.13×0.28=0.0364	13×2.8=36.4
0.013×28=0.364	0.13×2.8=0.364	1.3×0.028=0.0364．

故答案为：3.64、0.0364、36.4、0.364、0.364、0.0364．