解方程:2.5x×2.5x×1.6x=7290
问题描述:
解方程:2.5x×2.5x×1.6x=7290
解方程:
2.5x×2.5x×1.6x=7290
答
解方程:
2.5x×2.5x×1.6x=7290
x^3=7290/(2.5*2.5*1.6)
x^3=7290/10
x^3=729
x=9