A、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/66342" \* MERGEFORMATINET
B、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/395215" \* MERGEFORMATINET
C、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/211233" \* MERGEFORMATINET
D、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/415549" \* MERGEFORMATINET
答案:D
A、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/66342" \* MERGEFORMATINET
B、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/395215" \* MERGEFORMATINET
C、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/211233" \* MERGEFORMATINET
D、 INCLUDEPICTURE \d "http://mooc1-api.chaoxing.com/ananas/latex/p/415549" \* MERGEFORMATINET
答案:D
A. 前n个奇数之和
B. 前n个偶数之和
C. 前n个正整数之和
D. n的阶乘
A. 6
B. 5
C. 4
D. 3
A. ACB=E
B. CBA=E
C. BAC=E
D. BCA=E
A. m为奇数
B. m为偶数
C. n为偶数
D. n为奇数
A. 72
B. 48
C. 24
D. 12