2²+(6-X)²=X²则4+36-12x+x²=x²则12x=40所以x=40/12所以x=10/3
2²+(6-X)²=X²4+36-12X+X²=X²12X=40X=40/12=10/3
2²+(6-X)²=X²4+36-12x+x²=x²40-12x=040=12xx=40/12x=10/3
原式=4+36-12X+X²=X²,整理可得40=12X,40/12=X,所以得出X=10/3