5个数的复式三中三有多少组简介：Early in the morning, Situ Xingwen rushed to school in a hurry. When the ten-minute morning self-study period came, he went to the door of classes 3 and 6.
Early in the morning, Situ Xingwen rushed to school in a hurry. When the ten-minute morning self-study period came, he went to the door of classes 3 and 6.
