展开 7(2)3

解答

展开

7 (2) 3

42

求解步骤

7 (2) \cdot 3

去除括号:

(a) = a

= 7 \cdot 2 \cdot 3

数字相乘:

7 \cdot 2 \cdot 3 = 42

= 42

e x p an d \frac{1}{( x + 1 ) ( x + 200 )}

e x p an d (x e^{x} - e^{x}) \cdot 2 x - 1

e x p an d \frac{4 ( 341 - 11 )}{11}

e x p an d \frac{4 x ^{2} + 8 x + 2}{( x + 1 ) ^{2}}

e x p an d 2 x + 3 (x - 2 = x + 22)