题目内容
化简比.
85:25
0.14:0.56
2:0.5.
:
.
85:25
0.14:0.56
2:0.5.
| 1 |
| 30 |
| 1 |
| 6 |
(1)85:25
=(85÷5):(25÷5)
=17:5;
(2)0.14:0.56
=(0.14÷0.14):(0.56÷0.14)
=1:4;
(3)2:0.5
=(2÷0.5):(0.5÷0.5)
=4:1;
(4)
:
=(
×30):(
×30)
=1:5.
=(85÷5):(25÷5)
=17:5;
(2)0.14:0.56
=(0.14÷0.14):(0.56÷0.14)
=1:4;
(3)2:0.5
=(2÷0.5):(0.5÷0.5)
=4:1;
(4)
| 1 |
| 30 |
| 1 |
| 6 |
=(
| 1 |
| 30 |
| 1 |
| 6 |
=1:5.
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