第1个回答 2021-02-16
20比30 5比75 12比2 12比16 45比54 24比27 12比18 32比64 21比28 0.5比5 10比36 12比18 只能想这么多了,答案可以自己去😊️
第2个回答 2022-02-28
(1)
3000g:60kg
=3kg:60kg
=(3/3):(60/3)
=1:20(最简比)
=1/20或者0.05(比值)
(2)
80cm:2m
=0.8m:2m或者80cm:200cm
=(0.8*10):(2*10)或者(80/10):(200/10)
=8:20
=(8/4):(20/4)
=2:5(最简比)
=2/5或者0.4(比值)
第4个回答 2020-04-07
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