求比值化简比列出算式来第一题4分之1比2分之10.35比0.65400千克比3分之2吨15分,比1

2024-12-01 14:18:15
推荐回答(1个)
回答1:

  4分之1比2分之10
  =(1/4):(10/2)
  =1:20
  35比0.65;
  =35:0.65
  =3500:65
  =700:13
  400千克比3分之2吨;
  =400:(2/3)*1000
  =1200:2000
  =3:5
  15分比1(时);
  =15:1*60
  =15:60
  =1:4