问题
解答题
求比值. 14
3
|
答案
14
:0.722 5
=14
÷0.722 5
=14.4÷0.72
=20;
:14 7 1 7
=
÷14 7 1 7
=
;1 2
3
:21 2 1 3
=3
÷21 2 1 3
=
÷7 2 7 3
=
.3 2
求比值. 14
3
|
14
:0.722 5
=14
÷0.722 5
=14.4÷0.72
=20;
:14 7 1 7
=
÷14 7 1 7
=
;1 2
3
:21 2 1 3
=3
÷21 2 1 3
=
÷7 2 7 3
=
.3 2