菜站运来900千克蔬菜，卖出280千克，又运来150千克，现在菜站有多少千克蔬菜？-Y6y(o0{.N-I1d8t3K4i,`'o.o
算式：提示4P;@*Q2c+t5c.v,`,f1@3H,T+`4o-Y6y(o0{.N-I1d8t3K4i,`'o.o
答：现在菜站有7]'G7Y1P(W0Y3Y2^.o(d0j0l'?.w千克蔬菜。-Y6y(o0{.N-I1d8t3K4i,`'o.o