问题 填空题

450千克:2吨化成简单的整数比是______,比值是______.

答案

(1)450千克:2吨,

=450千克:2000千克,

=(450千克÷50千克):(2000千克÷50千克),

=9:40;

(2)450千克:2吨,

=450千克:2000千克,

=9:40,

=9÷40,

=

9
40

故答案为:9:40,

9
40

单项选择题
单项选择题