化简比并求比值.125:751.6:2.4120:1140.5:512.-数学
题文
化简比并求比值.
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答案
(1)125:75, =(125÷25):(75÷25), =5:3; 125:75, =125÷75, =
(2)1.6:2.4, =(1.6÷0.8):(2.4÷0.8), =2:3; 1.6:2.4, =1.6÷2.4, =
(3)
=
=(
=1:25;
=
=
=
(4)0.5:
=
=(
=6:5; 0.5:
=
=
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题文
化简比并求比值.
|
答案
(1)125:75, =(125÷25):(75÷25), =5:3; 125:75, =125÷75, =
(2)1.6:2.4, =(1.6÷0.8):(2.4÷0.8), =2:3; 1.6:2.4, =1.6÷2.4, =
(3)
=
=(
=1:25;
=
=
=
(4)0.5:
=
=(
=6:5; 0.5:
=
=
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