(1)(1312-147)-(9127-218)(2)已知:a=2+3,b=2- 发布时间:2017-05-13 18:23 │ 来源:www.tikuol.com 题型:解答题 问题: (1)(1312-147)-(9127-218)(2)已知:a=2+3,b=2-3.求a2+b2+ab的值.
题型:解答题 --What do you usually do after school?--I usually play ________ basketball with my friends.A. a B. the C. 不填 查看答案