问题
解答题
化成最简整数比.
|
答案
:5 7
,3 4
=(
×28):(5 7
×28),3 4
=20:21;
0.5:0.25,
=(0.5×100):(0.25×100),
=50:25,
=(50÷25):(25÷25),
=2:1;
0.125:
,7 8
=
:1 8
,7 8
=(
×8):(1 8
×8),7 8
=1:7;
3吨:360千克,
=3000千克:360千克;
=3000:360,
=(3000÷120):(360÷120),
=25:3.