A:bottles of oranges
B:bottles of orange
C:bottle of orange
D:bottle of oranges
Welcome to Happy Ocean Park OpeningHours:Tuesday~ Sunday: 10:00am~10:00pmPrice:Adults ( 13~ 59 years old ):$80Children( 2~ 12years old ):$70Seniors ( over 60 years old ):$60Children under 2: No need to payAfter 6:00pm: 50% off ( 减价 )
如图所示,在一个封闭薄容器中装满体积为1dm3的水后放在水平桌面上,已知容器的质量为100g,容器的下底面积为100cm2,高为12cm。求:
参加语文兴趣小组的有33人,参加数学兴趣小组的有27人,都参加的有19人,参加兴趣小组的共有____ 人.