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化简比1.8:0.45=77:63=25:310=1.2:65=1:18=13:12=25:27=12:120=4:0.8=76:3=
题目详情
化简比
1.8:0.45= | 77:63= |
| 1.2:
| 1:
| ||||||||||
|
| 12:120= | 4:0.8= |
|
▼优质解答
答案和解析
1.8:0.45
=(1.8×100):(0.45×100)
=180:45
=(180÷45):(45÷45)
=4:1
77:63
=(77÷7):(63÷7)
=11:9
:
=(
×10):(
×10)
=4:3
1.2:
=(1.2×
):(
×
)
=1:1
1:
=(1×8):(
×8)
=8:1
:
=(
×6):(
×6)
=2:3
:
=(
×
):(
×
)
=7:5
12:120
=(12÷12):(120÷12)
=1:10
4:0.8
=(4×10):(8×10)
=40:8
=(40÷8):(8÷8)
=5:1
:3
=(
×6):(3×6)
=7:18
=(1.8×100):(0.45×100)
=180:45
=(180÷45):(45÷45)
=4:1
77:63
=(77÷7):(63÷7)
=11:9
2 |
5 |
3 |
10 |
=(
2 |
5 |
3 |
10 |
=4:3
1.2:
6 |
5 |
=(1.2×
5 |
6 |
6 |
5 |
5 |
6 |
=1:1
1:
1 |
8 |
=(1×8):(
1 |
8 |
=8:1
1 |
3 |
1 |
2 |
=(
1 |
3 |
1 |
2 |
=2:3
2 |
5 |
2 |
7 |
=(
2 |
5 |
35 |
2 |
2 |
7 |
35 |
2 |
=7:5
12:120
=(12÷12):(120÷12)
=1:10
4:0.8
=(4×10):(8×10)
=40:8
=(40÷8):(8÷8)
=5:1
7 |
6 |
=(
7 |
6 |
=7:18
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