判断6I4l/c;d,}8@'H4~,e2Y9R7Y8Q8R6O.Q+N
1000÷（25÷5）=100÷25÷5 …………………………请选择√×-`'L.d:S7q0n9c,~'z;_.I,q6I4l/c;d,}8@'H4~,e2Y9R7Y8Q8R6O.Q+N