问题 填空题
根据24×12=288,直接写出下面各题的积.
0.24×12=______
2.4×1.2=______0.024×12=______
24×1.2=______24×0.012=______0.24×0.12=______.
答案

因为24×12=288,

(24÷100)×12=2.88;

(24÷10)×(12÷10)=2.88;

(24÷1000)×12=0.288;

24×(12÷10)=28.8;

24×(12÷1000)=0.288;

(24÷100)×(12÷100)=0.0288.

故答案为:2.88,2.88,0.288,28.8,0.288,0.0288.

单项选择题
单项选择题