(x-1)=25^2

解答

(x - 1) = 2 5^{2}

x = 626

求解步骤

(x - 1) = 2 5^{2}

2 5^{2} = 625

x - 1 = 625

将

1

到右边

x = 626

lo g_{10} (5) x = 4

so l v e f or a, 1 a + 2 b + 5 c + 10 d = 0

5 y + 4 = 9

so l v e f or c, v = 452.16 c \cdot m^{3}

8 = 6.5 a + 50