900÷50的簡(jiǎn)便方法 900÷125用簡(jiǎn)便方法計(jì)算?
900÷125用簡(jiǎn)便方法計(jì)算?這個(gè)問(wèn)題可以根據(jù)商不變性的性質(zhì)(即除數(shù)和除數(shù)同時(shí)展開或減少相同的倍數(shù),商不變性)加以簡(jiǎn)化。即:900/125=(900×8)/(125×8)=7200/1000=9.29
900÷125用簡(jiǎn)便方法計(jì)算?
這個(gè)問(wèn)題可以根據(jù)商不變性的性質(zhì)(即除數(shù)和除數(shù)同時(shí)展開或減少相同的倍數(shù),商不變性)加以簡(jiǎn)化。即:900/125
=(900×8)/(125×8)
=7200/1000
=9.2
900/25=(900×4)/(25×4)=3600/100=36或900/25=9×(100/25)=9×4=36
900/25/4=900/(25×4)=900/100=9.10000/8/125=10000/1000=10.12500/(125×4)=12500/125/4=100/4=25.625/(25*5)=625/25/5=25/5=5
900÷25用簡(jiǎn)便算法怎樣算?
900/25]=(900×4)/(25×4)
]=3600/100
=36
或
900/25
=9×(100/25)
=9×4
=36