16°2 0′×5=90°_′
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题目有问题,8个空格只给了7个数字.如是用1到8,有:406*13=5278604*13=7852
10+80=20+70=30+60=40+5080-70=60-50=40-30=20-10再问:10+80=90怎么是等于20?TT再答:你一和二,和和差是两套式子,也没说要相等啊,你确认和和差都要
143度9分36秒,0.16乘以60=9.6,所以取9,再用0.6乘以60=36
1=YMONDAY星期一6=S2=ATUESDAY星期二WEDNESDAY星期三5=UTHURSDAY星期四3=DFRIDAY星期五SATURDAY星期六4=NSUNDAY星期日654321=SUND
,△ABC中,∠C=90°,∠A=30°,若a:b:c=1_:√3:2_,c=_2a,b=√3a再问:C是2了,b不应该是根号5吗?再答:C是斜边,b平方用c平方减a平方你算成加了再问:额。。。
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SimonisveryinterestedinreadingTheboyistheclevereststudentamongthestudentsYoudon'tneedtogettherebefor
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Whydon't,takeabusTheweightof,islookforanythingunusualhowtoget有问题欢迎追问~
turnleftatthesecondcrossing
=_58.3'=_0.97°
Canyoumakekites?=Cankitebemadebyyou?
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x(2x-5)
HedecidedtoteachhimselfFrench=He【made】【up】【his】【mind】to【learn】French【by】【himself】.Shewantedtoknowwhe
Don'tthrowfoodatanimals.Youshouldn'tthrowfoodatanimals.
再答:一般这种题都是分情况的,而且把所有的可能全部列出来再答:加油再答:谢谢好评
1.AE=BD,AE⊥BD2.连接PC,则PC⊥AB,MC=BN,AM=NC,PC=PB,∠PBN=∠PCM=45度,△PCM≡△PBN(边角边)PE=PM,PE⊥PM