Răspuns :
Răspuns:
x²=25=>x=√25=>x=5
5x²=135=>x²=135:5=>x²=27=>x=√27=>x=3√3
x²=(83-8)/90=>x²=75/90=>x=√(5/6)
x²=(23-2)/9=>x²=21/9=>x=√(7/3)
Răspuns:
x²=25=>x=√25=>x=5
5x²=135=>x²=135:5=>x²=27=>x=√27=>x=3√3
x²=(83-8)/90=>x²=75/90=>x=√(5/6)
x²=(23-2)/9=>x²=21/9=>x=√(7/3)