化简比、求比值:5.4:18 20分钟:2小时 &...
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5.4:18,
=(5.4×10):(18×10),
=54:180,
=(54÷18):(180÷18),
=3:10;
5.4:18,
=5.4÷18,
=0.3;
20分钟:2小时,
=20分钟:120分钟,
=20:120,
=(20÷20):(120÷20),
=1:6;
20分钟:2小时,
=20分钟:120分钟;
=20÷120,
=
;
3吨:600千克,
=3000千克:600千克,
=3000:600,
=(3000÷600):(600÷600),
=5:1;
3吨:600千克,
=3000千克:600千克,
=3000:600,
=3000÷600,
=5.
=(5.4×10):(18×10),
=54:180,
=(54÷18):(180÷18),
=3:10;
5.4:18,
=5.4÷18,
=0.3;
20分钟:2小时,
=20分钟:120分钟,
=20:120,
=(20÷20):(120÷20),
=1:6;
20分钟:2小时,
=20分钟:120分钟;
=20÷120,
=
1 |
6 |
3吨:600千克,
=3000千克:600千克,
=3000:600,
=(3000÷600):(600÷600),
=5:1;
3吨:600千克,
=3000千克:600千克,
=3000:600,
=3000÷600,
=5.
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