问题
填空题
根据13×28=364,快速写出下面各式的积.
1.3×2.8=______13×2.8=______0.13×2.8=______.
答案
根据13×28=364,
(13÷10)×(28÷10)=3.64,
13×(28÷10)=36.4,
(13÷100)×(28÷10)=0.364,
故答案为:3.64,36.4,0.364.
根据13×28=364,快速写出下面各式的积.
1.3×2.8=______13×2.8=______0.13×2.8=______.
根据13×28=364,
(13÷10)×(28÷10)=3.64,
13×(28÷10)=36.4,
(13÷100)×(28÷10)=0.364,
故答案为:3.64,36.4,0.364.