f(m)+f(m-1)>0,f(m)>-f(m-1),f(m)>f(-m+1)奇函数f(x)在区间【0,2】上单调递减,在【-2,2】上单调递减-2≤m≤2-2≤m-1≤2,-1≤m≤3-2≤-m+1≤2,-3≤-m≤1,-1≤m≤3m<-m+1,m<1/2求交集:m∪【-1,1/2)