表达式2*3^2+2*8/4+3^2的值为( )。A.64 B.31 C.49 D 发布时间:2017-06-10 12:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: 表达式2*3^2+2*8/4+3^2的值为( )。A.64B.31C.49D.22
题型:单项选择题 _____ many times, he finally understood it. [ ]A. ToldB. TellingC. Having told D. Having been told 查看答案