问题
填空题
已知a-b=5ab,则
|
答案
∵a-b=5ab,
∴原式=2(a-b)+3ab (a-b)-2ab
=10ab+3ab 5ab-2ab
=13ab 3ab
=
.13 3
故答案为:
.13 3
已知a-b=5ab,则
|
∵a-b=5ab,
∴原式=2(a-b)+3ab (a-b)-2ab
=10ab+3ab 5ab-2ab
=13ab 3ab
=
.13 3
故答案为:
.13 3
书面表达(满分30分) 假设你是李明,是某校高三学生。最近你校开展了“如何走出困境”(How to walk out of the trouble?)的调查活动,调查结果见下表。现在请你用英语给报社编辑写一封信,客观的反映调查结果以及你的看法。
1. 文章开头部分已经写好,不计入总词数。 2. 词数100左右 editor, I am a student of senior 3. I am writing to tell you the survey we’ve had about “How to walk out of the trouble?” in our school. Yours, Li Ming |