解方程(x+14)*14/2=117.6对吗14x+196/2=117.614x+98=117.614x=19.6x=1.4
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![解方程(x+14)*14/2=117.6对吗14x+196/2=117.614x+98=117.614x=19.6x=1.4](/uploads/image/z/5176630-46-0.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%28x%2B14%29%2A14%2F2%3D117.6%E5%AF%B9%E5%90%9714x%2B196%2F2%3D117.614x%2B98%3D117.614x%3D19.6x%3D1.4)
解方程(x+14)*14/2=117.6对吗14x+196/2=117.614x+98=117.614x=19.6x=1.4
解方程(x+14)*14/2=117.6
对吗14x+196/2=117.6
14x+98=117.6
14x=19.6
x=1.4
解方程(x+14)*14/2=117.6对吗14x+196/2=117.614x+98=117.614x=19.6x=1.4
不对,7x+98=117.6
7x+98=117.6
7x=19.6
x=2.8