(62-y)*5.6=28

解答

(62 - y) \cdot 5.6 = 28

y = 57

求解步骤

(62 - y) \cdot 5.6 = 28

在两边乘以

10

56 (62 - y) = 280

两边除以

56

62 - y = 5

将

62

到右边

- y = - 57

两边除以

- 1

y = 57

so l v e f or y, (d^{4} - m^{4}) y = 0

so l v e f or x, x (n) = u (n + 2) - u (n + 2)

- 3 a + 2 (1 + 6 a) - 35 = 2 a

\frac{155}{729} = \frac{1 + x}{27}

\frac{3 ( y - 5 )}{4} = \frac{- ( y - 3 )}{2}