问题
填空题
0.4小时:45分的最简比是______,比值是______.
答案
0.4小时:45分,
=(0.4小时×60):45分,
=24:45,
=(24÷3):(45÷3),
=8:15;
0.4小时:45分,
=(0.4小时×60)÷45分,
=24÷45,
=
;8 15
故答案为:8:15,
.8 15
0.4小时:45分的最简比是______,比值是______.
0.4小时:45分,
=(0.4小时×60):45分,
=24:45,
=(24÷3):(45÷3),
=8:15;
0.4小时:45分,
=(0.4小时×60)÷45分,
=24÷45,
=
;8 15
故答案为:8:15,
.8 15