饲养场的鸡603只,是鸭的3倍,饲养场养鸭几只?饲养场鸡鸭共几只?
603÷3=201(只);
603+201=804(只);
答:饲养场养鸭201只,饲养场鸡鸭共804只.
用括号内所给单词的适当形式填空。(5分)
小题1:A balanced diet can help us keep__________. (health)
小题2:School is over. Some students are busy __________the floor, (sweep)
小题3:The Greens live on the __________ floor in this tall building, (six)
小题4:Look! The boys and girls are playing games __________. (happy)
小题5:Many kinds of__________ are on show in Changchun Park every year. (flower)
出租车计价器必须安装经国家主管部门认定的产品,到国家法定计量检定单位调试和检验。任何单位或个人不得私自买卖、安装、维修计价器。