把连比化为最简整数比:(1)2:4:8=______;(2)18:27:45=______;(3)12:13:16=______;(4)11

把连比化为最简整数比:(1)2:4:8=______;(2)18:27:45=______;(3)12:13:16=______;(4)118:114:1=______;(5)0.3:0.15:0.45=______;(6)1.6:2.4:4=______.

(1)2:4:8,
=(2÷2):(4÷2):(8÷2),
=1:2:4;

(2)18:27:45,
=(18÷6):(27÷9):(45÷9),
=2:3:5;

(3)
1
2
1
3
1
6

=(
1
2
×6
):(
1
3
×6
):(
1
6
×6),
=3:2:1;

(4)1
1
8
:1
1
4
:1

=(
9
8
×8):(
5
4
×8):(1×8);
=9:5:8;

(5)0.3:0.15:0.45,
=(0.3×
20
3
):(0.15×
20
3
):(0.45×
20
3
),
=2:1:3;

(6)1.6:2.4:4,
=(1.6×
5
4
):(2.4×
5
4
):(4×
5
4
),
=2:3:5.
故答案为:1:2:4,2:3:5,3:2:1,9:5:8,2:1:3,2:3:5.
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