a+0.5a=1.5a
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a+0.5a=1.5aa+0.5a=1.5aa+0.5a=1.5a对啊对,(a=1a)a+0.5a=(1+0.5)a=1.5a对,a就是1a,合并同类项得1a+0.5a=1.5a2(10-0.5a)=
a+0.5a=1.5a
a+0.5a=1.5a
a+0.5a=1.5a
对啊
对,(a=1a)
a+0.5a
=(1+0.5)a
=1.5a
对,a就是1a,合并同类项得1a+0.5a=1.5a
2(10-0.5a)=—(1.5a+2) 20-a=-1.5a-2 -a+1.5a=-2-20 0.5a=-22 a=-22÷0.5 a=-44 2(10-0.5a)=—(1.5a+2) 20-a=
对啊 ,(a=1a)
a+0.5a
=(1+0.5)a
=1.5a