1, \left(x + \dfrac{1}{2}\right)^2 = \dfrac{1}{9} ] 2, (3x - \dfrac{1}{4})^3 = -\dfrac{6}{4} ]
3, (x - \dfrac{1}{3})^2 + \left(x^2 - \dfrac{1}{9}\right)^4 = 0 ]

4, 2x + 2 - 2x = 96 ]

5, 7x + 2 + 2 \cdot 7x - 1 = 345 ]

6, 7^x + 2 + 2 \cdot 7^{x - 1} = 345 ]

7, \left(\dfrac{1}{3}\right)^{2x - 1} = 243
]

8, (0.125)^{n - 1} = 64 ]

tính số đo các góc \(\text{A}_{1}\), \(\text{A}_{2}\), \(\text{B}_{1}\), \(\text{B}_{2}\), \(\text{B}_{3}\) dựa trên hình vẽ đã cho.

 1 + 1/2 - 1/4) mũ 2  .  (2 + 3/7)

( 1 + 1/2 - 1/4)  .  (2 + 3/7)

A= 50- 4/13 + 2/15 - 2/17 / 100- 8/13+ 4/15 -4/17

11/8 ×[( -5/11 : 13/8 - 5/11 : 13/5)+ -6/33]+ -3/4

A, (-1/3)× (15/19)×38/45 |b, (-5/9)×3/11+(13/18)×3/11 |c, (2/1× 9/17×3/32) : (-3/17)

146/13 -( 16/7 - 65/13)

-5/7 x 2/11 + -5/7 x 9/11 + 12/7