英语填空
问题描述：
英语填空
（②为平方）
1.若关于X的一元二次方程X②-X+a-4=0的一根大于0,另一根小于0,求实数a的取值范围.
英语
1.The person___ ____.I spoke just now is the manager that I told you about
2.The pencil ____ _____ he was writing broke.
3.Wu Dong ___ ___ t weng to the concert,enjoyed it very much.
4.The teo things ____ ____ Marx was not sure were the grammar and sone of the idinms of english.
5.Her bag ____ ____she put sll her books,has not been found.
6.The stories about the long March ______ _______ this is one example ,are well written.
答
数学：
1.x1*x2=a-4