作业帮5/9*1.8= 5/12除5/6= 2.25+3/2*1/2= 8/5*5= 1/4除0.025= 3/2+13/5= 7/4*5/4除7/4=
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5/9*1.8= 5/12除5/6= 2.25+3/2*1/2= 8/5*5= 1/4除0.025= 3/2+13/5= 7/4*5/4除7/4=
5/9*1.8= 5/12除5/6= 2.25+3/2*1/2= 8/5*5= 1/4除0.025= 3/2+13/5= 7/4*5/4除7/4=
5/9*1.8= 5/12除5/6= 2.25+3/2*1/2= 8/5*5= 1/4除0.025= 3/2+13/5= 7/4*5/4除7/4=
(5/9)*1.8=(5/9)*(9/5)=1
(5/12)/(5/6)=(5/12)*(6/5)=1/2
2.25+3/2*1/2=(9/4)+(3/4)=12/4=3
8/5*5=8
(1/4)/0.025=(1/4)/(5/200)=(1/4)*40=10
(3/2)+(13/5)=(15/10)+(26/10)=41/10=4.1
(7/4)*(5/4)/(7/4)=5/4=1.25