问题
填空题
0.5时:45秒的最简整数比是______,比值是______.
答案
(1)0.5时:45秒,
=1800秒:45秒,
=(1800÷45):(45÷45),
=40:1;
(2)0.5时:45秒,
=40:1,=40÷1,
=40.
故答案为:40:1,40.
0.5时:45秒的最简整数比是______,比值是______.
(1)0.5时:45秒,
=1800秒:45秒,
=(1800÷45):(45÷45),
=40:1;
(2)0.5时:45秒,
=40:1,=40÷1,
=40.
故答案为:40:1,40.