化简 sqrt(18)*sqrt(50)

解答

化简

18 \cdot 50

30

求解步骤

1850

使用根式运算法则:

a b = ab, a \geq 0, b \geq 0

1850 = 18 \cdot 50

= 18 \cdot 50

数字相乘:

18 \cdot 50 = 900

= 900

900 = 30

= 30

f a c t or 2 x - 2 x

\frac{2 x - 1}{x + 1} = 1

3 x - 2 \geq 11

x^{2} = 24

- 5 + 7 + 2 k - 3 k = k - 8