题目内容

解方程
(1)x-0.6x=8.8 (2)x×(1-25%)=75 (3)3x+=
(4)x+x=25 (5)x-x= (6)0.5×(x-8)=2.5
(7)= (8)2:0.75=x:0.8 (9)x:=2:
(1)x-0.6x=8.8
                x=22
(2)x×(1-25%)=75
                            x=100
(3)3x+=
                x=
(4)x+x=25
                    x=40
(5)x-x=
                 x=
(6)0.5×(x-8)=2.5
                          x=13
(7)=
             x=60
(8)2:0.75=x:0.8
                  x=
(9)x:=2:
                 x=
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