化简 100-sqrt(81)+3

解答

化简

100 - 81 + 3

94

求解步骤

100 - 81 + 3

数字相加:

100 + 3 = 103

= 103 - 81

81 = 9

= 103 - 9

数字相减:

103 - 9 = 94

= 94

s im pl i f y 2 (2 + \frac{1}{x - 2})

s im pl i f y \frac{3}{2} (x^{2} - 5 x) + 1

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

4 x^{2} x

s im pl i f y 6.76