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受欢迎的代数 >

solvefor b,S=(b(a+d))/2

解答

求解

b, S = \frac{b ( a + d )}{2}

解答

b = \frac{2 S}{a + d}; a + d \neq = 0

求解步骤

S = \frac{b ( a + d )}{2}

交换两边

\frac{b ( a + d )}{2} = S

在两边乘以

2

b (a + d) = 2 S

两边除以

a + d; a + d \neq = 0

b = \frac{2 S}{a + d}; a + d \neq = 0

作图

流行的例子

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\frac{2 ( x + 6 )}{4} = 3 x - 2

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\frac{6}{7} d = 36

2 (x - 1) = - 3 x + 3

\frac{5}{6} w = \frac{10}{3}