各位哥哥姐姐帮帮忙啊 对了多加分

\u6570\u5b66\u9898 \u5bf9\u4e86\u591a\u52a0\u5206\u54e6

\u6839\u636e\u52fe\u80a1\u5b9a\u7406
C² = A² + B² = 6² + 8² = 100
\u6240\u4ee5 C = 10

\u56db\u4e2a\u4eba\u505a7\u9762\uff0c\u4e00\u4e2a\u4eba\u505a72\u9762\uff0c\u4e94\u4e2a\u4eba\u90fd\u5e267
\uff08 7\uff09+\uff087 \uff09+\uff087 \uff09+\uff087 \uff09+\uff0872 \uff09=100

你好
FIRST second third fourth FIFTH SIXTH SEVENTH EIGHTH NINTH TENTH eleventh twelfth thirteeNth FOURTEENTH FIFTEENTH

祝你好运

first(1th) second third forth sixth seventh eighth ninth tenth

eleventh twelfth thirteenth fourteenth(14th) fifteenth(15th)

写日期的时候可以用括号里的缩写，不一一列举了

www.iciba.cn.com爱词霸可在线查，以后就不用等了

first second third fourth fifth sixth seventh eighth ninth tenth
eleventh
twelfth thirteenth fourteenth
fifteenth 前都带The

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