已知m=13 n=-7 p=-10 求式子|m|-2|-n|+2分之1|-p|的值?
问题描述:
已知m=13 n=-7 p=-10 求式子|m|-2|-n|+2分之1|-p|的值?
答
|m|-2|-n|+(1/2)|-p| =13-2X7+(1/2)X10 =13-14+5 =5-1 =4
已知m=13 n=-7 p=-10 求式子|m|-2|-n|+2分之1|-p|的值?
|m|-2|-n|+(1/2)|-p| =13-2X7+(1/2)X10 =13-14+5 =5-1 =4