计算240÷3时,可以这样想:24个十除以3等于______个十,也就是______.
240÷3时,可以这样想:24个十除以3等于8个十,也就是80.
故答案为:8,80.
.
The boy asked his parents to buy him a pair of binoculars __________ which to watch football games.
A.in
B.through
C.from
D.on
钻孔施工时,必须按()
A.以往的经验施工
B.设计要求施工
C.个人意愿施工
D.安全措施施工