一道初二科学计算题

相关推荐

• 一道初二英语的选择题 要原因The poster sometimes ______ a lot better than the movie itself.A. looks B feels我选B 请问为什么B错了
• 一道英文计算题条件：Labour Costs:£166,000Q：If this company employed eighty permanent employees in January whowere on the same salary,what would have been the effect on labour costs ifthey had replaced twenty permanent employees with interim staff each onmonthly salaries of £3,000?这个题目的答案是“Labour Costs将增加£18,500”.请翻译一下这个题目的意思~
• 初二英语选择题2道1.Fine Arts as well as Computer Science________my favourite minor________A.is, course B.in,courses C.are,course D.are, courses2.They will see the film HERO_____next week.A.some time B.sometime C.sometimes D.some times写一下原因,谢谢~~第一道B选项是is
• 多给我些选择题,多选多一点.一道多选加2分,一道选择加1分.好的加50!上不封顶!是初二上学期的人教版
• 一道英语计算题,急!Once an old lady went to the market to sell eggs. She carried a basket of eggs. She sold her eggs to five people. The first bought half of the eggs and another half of an egg. The second, half of the rest and another half of the half left……The fifth took half of the eggs that the fourth person bought and another half of the half left. Then the old lady went back home with an empty basket. Do you know how many eggs the lady sold out and how m
• 请教一道方差计算题－22%－17.4%)^2×0.1+(－2%－17.4%)^2×0.2+(20%－17.4%)^2×0.4+(35%－17.4%)^2×0.2+(50%－17.4%)^2×0.1＝多少,麻烦列出计算过程,
• 用方差的基本公式求下面一道题目（初二水平）若x1,x2,…,xn 的平均数是 x （上面一横) ,方差是s2,a,b 是常数.求ax1+b,ax2+b,…axn+b 的方差
• 一道生物填空题.帮帮忙1953年科学家米勒的做了一个实验,他模拟————的条件和——成分,讲甲烷,氢,氨.水蒸气等气体泵入一个密闭的装置内,进行火花放电,合成了多种——根据这个实验的实验结果,你可以对生命的起源做出怎样的推测?
• 一道中学科学难题（物理）
• 急救：各位老大帮帮忙（一道小学科学题）
• 以下词语是褒义次还是贬义词还是中性词?
• 不定积分高数∫x/√1+x-x^2 dx