问题
解答题
0.25:0.4.
答案
(1)0.25:0.4,
=(0.25×100):(0.4×100),
=25:40,
=(25÷5):(40÷5),
=5:8;
(2)0.25:0.4,
=0.25÷0.4,
=
.5 8
0.25:0.4.
(1)0.25:0.4,
=(0.25×100):(0.4×100),
=25:40,
=(25÷5):(40÷5),
=5:8;
(2)0.25:0.4,
=0.25÷0.4,
=
.5 8