问题
解答题
求比值.
0.2:0.82:0.2512:564:13.
答案
(1)0.2:0.8
=0.2÷0.8
=
;1 4
(2)2:0.25
=2÷0.25
=8;
(3)12:56
=12÷56
=
;3 14
(4)4:13
=4÷13
=
.4 13
求比值.
0.2:0.82:0.2512:564:13.
(1)0.2:0.8
=0.2÷0.8
=
;1 4
(2)2:0.25
=2÷0.25
=8;
(3)12:56
=12÷56
=
;3 14
(4)4:13
=4÷13
=
.4 13