求下面各比的比值:
(1)1.8:0.24
=1.8÷0.24
=7.5;
(2) 3
1
2 吨:750千克
=3500千克:750千克
=3500÷750
= 4
2
3 ;
(3)
5
8 :
5
9
=
5
8 ÷
5
9
=
5
8 ×
9
5
= 1
1
8 .
求下面各比的比值:
(1)1.8:0.24
=1.8÷0.24
=7.5;
(2) 3
1
2 吨:750千克
=3500千克:750千克
=3500÷750
= 4
2
3 ;
(3)
5
8 :
5
9
=
5
8 ÷
5
9
=
5
8 ×
9
5
= 1
1
8 .