Is to define a main method calculate in the AbstractCalculator class, calculate () calls spilt (), etc. Plus and Minus inherit the AbstractCalculator class respectively, and implement the call to subclasses through the call to AbstractCalculator, see the following example:
影片取材于传统民间神话故事，讲述的是两名天将为了守护天庭和百姓，甘愿牺牲自我，与恶蛟对抗的故事，给观众传达了惩恶扬善、邪不压正的正能量思想。
剧情讲述外出打工多年的王庆友，怀着振兴家乡经济、带动乡亲们脱贫致富的心愿返乡创业，由于建功心切误入圈套遇到一些列危机，最终克服困难，同时还收获了属于自己的爱情，终于走出了一条通往幸福生活的康庄大道。
The only use of * * is probably that I can't remember the name of the medicine when writing the plot of the Potions lesson * *
若是汉国和越国和谈不成，消息泄露，那么楚汉之间的和谈似乎也就出现问题了。
Preface
A5.1. 3.2 Ear pressure function check:
攀上他做寡妇么？如今还不知是死是活哩。
它已有100多年以来，红收割机，半人半妖是由出纳女巫。交易到恶魔–她自己的母亲。由收割者，人类/精灵战士的神圣家族营救，他们提出了他们自己的，即使她比他们的休息更妖。她的母亲抛弃，违背了她的收割者的家人，她的收割者的培训和爱上一个人，她也没有挣扎–什么也没有去正确的红色死神。她是未经训练的，未经检验和共享没有她母亲的神奇能力。她甚至不敢看不到未来，她的母亲的最好的礼物。直到有一天，她一天，她做到了。它改变了世界，直到永远。
两人的反差开始拉大。这种反差，加之女人比男人老得快等原因，林小枫开始对宋建平警惕，为害怕失去而监督，为监督而采取种种极端的措施，林小枫的横蛮无礼甚至将双方的矛盾闹到了宋建平的医院，宋建平终于忍无可忍，夫妻之间的关系迅速恶化、矛盾加深。
If a TCP connection is established between A and server B, then C forges an RST packet and sends it to B, causing B to abnormally disconnect the TCP connection with A, which is an RST attack. How should C forge RST packets?
How far would you go to have a baby? Martin Compston, Sophie Rundle and Mirren Mack star in this emotional thriller about love, trust and the true cost of buying whatever you want. Dan (Compston) and Emily (Rundle) are crazy about each other. They live in a huge house in the nicest part of Glasgow and want for nothing. But they’ve been trying to have a baby for years with no success. When a chance encounter brings 18 year-old Kaya (Mack) crashing into Emily’s life, and it seems that just maybe, fate has brought them together. From the other side of town, Kaya is determined to make a life for herself. Experiencing the luxurious interior of Emily’s Range Rover, she quickly starts to get a taste for how the other half live. Back in her bare local authority flat, Kaya decides to change her future. She tracks down Emily and makes her an offer: she’ll be Dan and Emily’s surrogate, if they help set her life on track. She can change their lives, if they can change hers. But with only one embryo left, can Dan and Emily trust a teenage girl they barely know with their last chance to have a family?
1985年，军区医疗小组奉命救助正在施工关键阶段的铁道兵某部三连，医疗小组中心莫莉、曾补玉、赵益勤、文婷、王剑云，从此和三连的战士结下不解之缘。几年后，他们转业并开始新生活。曾补玉在北京郊区盖房，踏实度日。三连连长沐建峰和莫莉重逢后感情升温，王剑云与文婷也谈婚论嫁。但文婷却发现患有遗传性精神病，她主动离开。沐建峰自愧不如莫莉，也悄然离去下海经商，娶了赵益勤。莫莉嫁作他人妇。1998年，改革浪潮中，曾补玉受作家周在鹏启发将住所改造成补玉山居，战友们偶尔到这里来追忆当年。数年过去，王剑云离婚寻回文婷再续前缘。沐建峰离婚，但他却最终不能和莫莉在一起。赵益勤寻到了新的人生伴侣。此时的补玉山居在市场大潮中即将被淘汰，但它却永远记载着这几个战友近半生的情缘和最纯真的情感
长风镖局少主郭旭为报云家大恩，受云三临终所托，将其费尽心机得来的关乎云家老五性命的十二尊翡翠娃娃送回云家庄。无奈这绝世宝物，引来黑白两道群狼窥视。而几十年的郭家镖局家业其实早已面临崩殂，长风镖局只余一个空架子，郭旭为了不负所托，不得不召集人手，重振声威，“小小飞刀”封平，“快剑”辛力，程铁衣，石秀才，采玉，商六爷，侯昆聚集旗下。这十二尊翡翠娃娃，引得黑白两道，几路人马，一路厮杀。郭旭等一行镖师在付出惨重的代价后终于完成了走镖的任务，但这场劫难之后，翡翠娃娃又消失在江湖中。
既身居高位，行止必定要有所顾忌，便是我皇家也一样。
道：晓得耍嘴皮子就好。
You will also see this kind of green machine, which is relatively old.
某一日，巨型涅墨西斯袭击了村子，
