A.b =a3−23
B.b =a3−2x
C.b =a3−2
D.b = a −b =23
E.b = a +23
我的答案:
A.b =fff\(\frac{a}{3}-\frac{2}{3}\)/fff
B.b =fff\(\frac{a}{3}-\frac{2}{x}\)/fff
C.b =fff\(\frac{a}{3}-2\)/fff
D.b = a −b =fff\(\frac{2}{3}\)/fff
E.b = a +fff\(\frac{2}{3}\)/fff
(Official1-70可直接使用)
扫码添加助教微信
回复关键词“解锁真题”
即可免费解锁!