解方程x²+(56/4-x)²=196x²+(56/4-x)²=196
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![解方程x²+(56/4-x)²=196x²+(56/4-x)²=196](/uploads/image/z/74558-38-8.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8Bx%26%23178%3B%2B%EF%BC%8856%2F4-x%EF%BC%89%26%23178%3B%3D196x%26%23178%3B%2B%EF%BC%8856%2F4-x%EF%BC%89%26%23178%3B%3D196)
解方程x²+(56/4-x)²=196x²+(56/4-x)²=196
解方程x²+(56/4-x)²=196
x²+(56/4-x)²=196
解方程x²+(56/4-x)²=196x²+(56/4-x)²=196
x²+(56/4-x)²=196
x^2+14^2-56x/2-x^2=196
28x=0
x=0
x²+(56/4-x)²=196
x^2+14^2-56x/2+x^2=196
2x^2-28x+196=196
2x^2-28x=0
x^2-14x=0
x(x-14)=0
x=0或14