12.判断题-|||-times 8gt 4times 7 ()-|||-bigcirc √-|||-bigcirc x

(2016春• 无锡校级月考)计算 (1)((-a))^7div ((-a))^4times ((-a))^3(2)((-a))^7div ((-a))^4ti

[题目]-|||-计算:-|||-dfrac (1)(1times 2)+dfrac (2)(2times 4)+dfrac (3)(4times 7)+dfr

判断题 2分职业=赚钱;bigcirc正确bigcirc错误判断题 2分职业=赚钱;$\bigcirc$正确$\bigcirc$错误

18、设X~Nbigcirc 8bigcirc 16bigcirc 4bigcirc 4818、设X~N(-3,4)，则E[(X+3)^4]为( ).(3分

2 [判断题]每年的犯罪高峰期集中在4月 -12 月。() ()-|||-bigcirc

48.[数学[判断题]]-|||-^circ =dfrac (pi )(36)-|||-bigcirc 正确-|||-bigcirc 错误

判断题网络入侵即网络攻击。()-|||-bigcirc A.正确-|||-bigcirc B.错误

111.判断题-|||-便携式软件可以保护用户隐私()-|||-bigcirc bigcirc

(判断题)-|||-12、货车装载的货物越高,转弯时稳定性越-|||-差。-|||-bigcirc Y:正确-|||-bigcirc N:错误

(判断题)-|||-12、货车装载的货物越高,转弯时稳定性越-|||-差。-|||-bigcirc Y:正确-|||-bigcirc N:错误