【判断题】类目搜索竞争度要大于关键词搜索,因为类目搜索反馈的产品通常为同一类目
【简答题】在○里填上“+”、“-”或“×”。 4○4=16 3○3=9 6○6=0 5○6=30 5○5=25 4○6=10 5○3=15 5○3=2
【简答题】运算: (1)|-1.3|+ [5.7×|- 4 5 |÷ 4 5 ]×|0| ; (2)(-13)+(+12)+(-7)+(+38); (3) (-3 1 2 )+(-2 1 9 )+3.5+(- 8 9 ) ; (4)(+163)-[(+63)+(-259)+(-41)].
【简答题】When people travel in another city or country ,they sometimes stay in the homes of the local people. This is called homestay . It is a great experience because you can me...
【简答题】计算下面各题。 (1)74×25 (2)163÷3 (3)29×37 (4)840÷7= (5)16×16 (6)377÷9