Решите уравнения! а) 16х^2 - 25 = 0 b) 0,01x^2 = 1,69 c) 25y^2 - 4 = 0 d) 1,44y^2 - 81 = 0 e) 81z^2 - 100 = 0 f) 0,25z^25 = 0 буду !

1)16x^2=25 x=+- 5/4
2)1/100x^2=169/100 x^2=169 x=+- 13
3)25y^2=4 y^2=4/25 y=+- 2/5
4)144/100y^2=81 y=+- 90/12
5)81z^2=100 z^2=100/81 z= +- 10/9