28、设 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/03dc2fa866de121c60079e7c3c0c1ec8.png" ＼* MERGEFORMATINET 为齐次线性方程组 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/181683" ＼* MERGEFORMATINET 的解, INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/0ec1c289289586c124842686f7b692a5.png" ＼* MERGEFORMATINET 为非齐次线性方程组 INCLUDEPICTURE ＼d "http://mooc1-2.chaoxing.com/ananas/latex/p/23856" ＼* MERGEFORMATINET 的解,则( )
(1.0)

A. 　 -4

B. 　 0

C. 　 2

D. 　 4

A. 　 ( INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/de6bd030da8ecfa5cfe147a1bcf6d6c7.png" ＼* MERGEFORMATINET )( )

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e7e235dde4a96da125d82b495895dee9.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/c0a1bab5a727ad41ec49329735bc2328.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/79578a445e01933c2208dd62fee408bc.png" ＼* MERGEFORMATINET

A. 　 小于m

B. 　 小于n

C. 　 等于m

D. 　 等于n

A. 　 (1)s=s+i
(2)i=i+1

B. 　
(1)s=s+i
(2)i=i+2

C. 　
(1)s=s+(2*i-1)
(2)i=i+1

D. 　
(1)s=s+(2*i-1)
(2)i=i+2

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/73357b760f571c259794ef21e9f7b9ef.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/6d0b6e9f4255e23716df5adbbacccc7b.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/62e4261dfaa7c90b847194de5d1bc7eb.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e749a2c6979ee62ee10ddca7dfe12ba9.png" ＼* MERGEFORMATINET