问题
解答题
|
答案
(1)6.4:8,
=(6.4×5):(8×5),
=32:40,
=4:5;
6.4:8,
=4:5,
=4÷5,
=
.4 5
(2)
:1 6
,2 3
=(
×6):(1 6
×6),2 3
=1:4;
:1 6
,2 3
=1:4,
=1÷4,
=
.1 4
(3)0.375:0.625,
=(0.375×8):(0.625×8),
=3:5;
0.375:0.625,
=3:5,
=3÷5,
=
.3 5
(4)8:
,8 9
=(8×9):(
×9),8 9
=72:8,
=9:1;
8:
,8 9
=9:1,
=9÷1,
=9.