问题 填空题

根据5.3×14=74.2,可知0.053×140=______,530×1.4=______,0.53×0.14=______,742÷1.4=______.

答案

(1)0.053×140=7.42;

(2)530×1.4=742;

(3)0.53×0.14=0.0742;

(4)742÷1.4=530;

故答案为:7.42;742;0.0742;530.

单项选择题
单项选择题