肾性高血压的症状:1道题,大家帮帮忙
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1/4*100-1/5*100
1/4*100-1/5*100
=(1/4-1/5)*100
=1/20*100
=5
=1/20*100
=5
5
(1/4)*100=100/4=25.
(1/5)*100=100/5=20.
所以
(1/4)*100-(1/5)*100=25-20=5.
1/4*100-1/5*100
=(1/4-1/5)*100
=1/20*100
=5
1/4*100-1/5*100
=(1/4-1/5)*100
=1/20*100
=5