求比值和化简比
3个回答
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1求比值
8/5
:
2/5
=8/5×5/2
=4
15.6
:
1.17
=1560÷117
=(1560÷39)÷(117÷39)
=40÷3
=40/3
4.375
:
1.875
=4又3/8
:
1又7/8
=35/8
:15/8
=35/8×8/15
=7/3
2
:
35/6
=2×6/35
=12/35
1/4
:
3/4
=1/4×4/3
=1/3
1.5
:
2.4
=1又1/2
:
2又2/5
=3/2
:
12/5
=3/2×5/12
=5/8
5/8
:
1/8
=5/8×8
=5
2/9
:
1/7
=2/9×7
=14/9
5/6
:
1/3
=5/6×3
=5/2
2化简比
3.5
:
8.4
=(3.5×10)
:
(8.4×10)
=35
:
84
=(35÷7)
:
(84÷7)
=5
:
12
1.2
:
1.4
=(1.2×5)
:
(1.4×5)
=6
:
7
3/10
:
4/25
=(50×3/10)
:
(50×4/25)
=15
:
8
9/2
:
12
=(9/2×2/3)
:
(12×2/3)
=3
:
8
9/4
:
9/4
=(9/4×4/9)
:
(9/4×4/9)
=1
:
1
24
:
18
=(24÷6)
:
(18÷6)
=4
:
3
12厘米:60米
=12厘米:6000厘米
=(12÷12):(6000÷12)
=1
:500
1小时:1小时30分
=1小时:1.5小时
=(1×2):(1.5×2)
=2:3
1.8:27
=(1.8×5):(27×5)
=9:135
=(9÷9):(135÷9)
=1:15
3.125:5/4
=3又1/8:5/4
=11/8:5/4
=11/8×4/5
=11/10
=11:10
8/5
:
2/5
=8/5×5/2
=4
15.6
:
1.17
=1560÷117
=(1560÷39)÷(117÷39)
=40÷3
=40/3
4.375
:
1.875
=4又3/8
:
1又7/8
=35/8
:15/8
=35/8×8/15
=7/3
2
:
35/6
=2×6/35
=12/35
1/4
:
3/4
=1/4×4/3
=1/3
1.5
:
2.4
=1又1/2
:
2又2/5
=3/2
:
12/5
=3/2×5/12
=5/8
5/8
:
1/8
=5/8×8
=5
2/9
:
1/7
=2/9×7
=14/9
5/6
:
1/3
=5/6×3
=5/2
2化简比
3.5
:
8.4
=(3.5×10)
:
(8.4×10)
=35
:
84
=(35÷7)
:
(84÷7)
=5
:
12
1.2
:
1.4
=(1.2×5)
:
(1.4×5)
=6
:
7
3/10
:
4/25
=(50×3/10)
:
(50×4/25)
=15
:
8
9/2
:
12
=(9/2×2/3)
:
(12×2/3)
=3
:
8
9/4
:
9/4
=(9/4×4/9)
:
(9/4×4/9)
=1
:
1
24
:
18
=(24÷6)
:
(18÷6)
=4
:
3
12厘米:60米
=12厘米:6000厘米
=(12÷12):(6000÷12)
=1
:500
1小时:1小时30分
=1小时:1.5小时
=(1×2):(1.5×2)
=2:3
1.8:27
=(1.8×5):(27×5)
=9:135
=(9÷9):(135÷9)
=1:15
3.125:5/4
=3又1/8:5/4
=11/8:5/4
=11/8×4/5
=11/10
=11:10
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0.4:0.6=4:6=2:3=3分之2
5:35=1:7=7分之1
二分之一:八分之三=4:3=3分之4
0.1:五分之三=0.1:0.6=1:6=6分之1
八分之三:0.125=8分之3:8分之1=3:1=3
化简比:
五分之四:14=2:35
0.4:八分之五=16:25
5:35=1:7=7分之1
二分之一:八分之三=4:3=3分之4
0.1:五分之三=0.1:0.6=1:6=6分之1
八分之三:0.125=8分之3:8分之1=3:1=3
化简比:
五分之四:14=2:35
0.4:八分之五=16:25
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