E篇 66到70的答案

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E篇 66到70的答案
E篇 66到70的答案

E篇 66到70的答案
66、Yes,they do.
67 、They feel happy and satisfied witn life.
68 Because the extra sleep not only makes them feel more energetic,but also may increase their immune system.
69 Their sleeping schedule fits with society's rule of getting up early for study or work.
70 Teenages

1。they do not complain.
2.they feel healthier.
3.because their sleeping schedule fits with society's rule of getting up early.
4.extra sleep.
5.Owls.
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E篇 66到70的答案 e篇 66到70的答案求答案e的X次方在0到负无穷的积分 38页到70页的答案求幂级数∑ x^n/n!（n=0到无穷大）的和函数答案是e^x 计算广义积分∫0到+∞ e^(-x^2)dx 答案是(√π)/2怎么算的? .氢原子由基态跃迁到n=2的激发态吸收的能量为e,那么从n=3的激发态跃迁到n=2的激发答案是5/27E 11到39的答案 1到10的答案求∫0到y e^-t^2dt+∫0到x cost^2dt=0所确定的隐函数y对x的导数dy／dx,答案是-e^y^2cosx, |lnx|在1/e到e的定积分定积分e分之1 到 e lnx的绝对值 |lnx|,x从e到1/e的积分 0到e 的定积分e ^√x 微积分习题答案是e的次方求A,B,D,E的答案 ∫1/1+e的2x次方 dx∫1/1+e^2xx-1/2*ln∣1+e^2x∣+c，算到后面答案还是错，有人知道吗？初中文言文扩展阅读70篇到90篇的答案或翻译