计算：.o8V.a,r9e1s:z
（1234+2341+3412+4123）÷（1+2+3+4）.o8V.a,r9e1s:z
算式：提示;p-A2p)v4G*\-x.o8V.a,r9e1s:z
=0k/Y3m-j;a1z2y,H1g0j2~.o8V.a,r9e1s:z