展开 value(g-f)(3)

解答

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v a l u e (g - f) (3)

3 e a l vug - 3 e a l vu f

求解步骤

v a l u e (g - f) (3)

= (3) e a l vu (g - f)

使用分配律:

a (b - c) = ab - a c

a = v a l u e (3), b = g, c = f

= v a l u e (3) g - v a l u e (3) f

= (3) e a l vug - (3) e a l vu f

去除括号:

(a) = a

= 3 e a l vug - 3 e a l vu f

e x p an d lo g_{10} (10000 t)

e x p an d \frac{( x - 1 ) ^{2} ( y - 3 )}{( 3 x - y ) ^{3}}

e x p an d \frac{7 ( x + h ) ^{3} - 3}{( x + h ) ^{4}}

e x p an d (e^{x}) (e^{x} x^{2} + 4 e^{x} x + 2 e^{x})

s im pl i f y 6 (8 - \frac{n}{7})