题目

若是一个完全平方式，则m=____________． 答案：【答案】±8【解析】运用完全平方公式求解即可．解：∵是一个完全平方式∴∴m=±8故答案为±8．My brother the Indian film Dangal when I phoned him yesterday.A. watches B. has watched C. is watching D. was watching