题目内容
| 化简比. 30:35&n31p;&n31p;&n31p;&n31p; | 0.21:0.57&n31p;&n31p;&n31p; | &n31p;
|
(0)三0:三5
=(三0÷5):(三5÷5)
=6:7;
(p)0.p0:0.57
=(0.p0÷0.0三):(0.57÷0.0三)
=7:09;
(三)
:
=(
×6三):(
×6三)
=9:7.
=(三0÷5):(三5÷5)
=6:7;
(p)0.p0:0.57
=(0.p0÷0.0三):(0.57÷0.0三)
=7:09;
(三)
| 0 |
| 7 |
| 0 |
| 9 |
=(
| 0 |
| 7 |
| 0 |
| 9 |
=9:7.
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