亚洲激情+欧美激情,无码任你躁久久久久久,我的极品美女老婆,性欧美牲交在线视频,亚洲av高清在线一区二区三区

電子課本網(wǎng) › 第25頁(yè)

第25頁(yè)

信息發(fā)布者：
?$=\frac {22}{15}-\frac {3}{10}$?
?$=\frac {7}{6}$?
?$=\frac {46}{35}-\frac {32}{35}$?
?$=\frac {2}{5}$?
?$=\frac {11}{12}-\frac {1}{12}$?
?$=\frac {5}{6}$?
?$=\frac {7}{8}+\frac {1}{2}$?
?$=\frac {11}{8}$?
?$=\frac {27}{20}-\frac {1}{2}$?
?$=\frac {17}{20}$?
?$=\frac {4}{3}+\frac {2}{9}$?
?$=\frac {14}{9}$?
?$=\frac {3}{4}-\frac {7}{10}$?
?$=\frac {1}{20}$?
?$=\frac {3}{7}-\frac {1}{7}$?
?$=\frac {2}{7}$?
?$=\frac {5}{6}+\frac {1}{6}-\frac {5}{9}$?
?$=1-\frac {5}{9}$?
?$= \frac {4}{9}$?
?$=(\frac {5}{9}+\frac {4}{9})+(\frac {4}{11}+\frac {6}{11})$?
?$=1+\frac {10}{11}$?
?$=1 \frac {10}{11}$?
?$=(\frac {17}{15}+\frac {13}{15})-(\frac {2}{3}+\frac {1}{3})$?
?$=2-1$?
?$=1$?
?$=3-(\frac {11}{9}+\frac {7}{9})$?
?$=3-2$?
?$=1$?
?$=(\frac {19}{14}-\frac {5}{14})-(\frac {1}{4}-\frac {1}{4})$?
?$=1-0$?
?$=1$?
?$=\frac {7}{8}+\frac {1}{8}+\frac {7}{12}$?
?$=1+\frac {7}{12}$?
?$=1 \frac {7}{12}$?
?$=(\frac {13}{11}-\frac {1}{11})-(\frac {3}{5}+\frac {2}{5})$?
?$=\frac {12}{11}-1$?
?$=\frac {1}{11}$?
?$=\frac {7}{8}-\frac {3}{8}-\frac {2}{5}$?
?$=\frac {1}{2}-\frac {2}{5}$?
?$=\frac {1}{10}$?
?$=(\frac {5}{9}-\frac {4}{9})+(\frac {3}{10}+\frac {7}{10})$?
?$=\frac {1}{9}+1$?
?$=\frac {10}{9}$?
?$=(\frac {14}{9}-\frac {2}{9})-(\frac {7}{11}+\frac {4}{11})$?
?$=\frac {4}{3}-1$?
?$=\frac {1}{3}$?
=100000+10000+1000+100+10-2×5
=111110-10
=111100
=(67+75)×9÷2
=142×9÷2
=639
?$=1-\frac 12+\frac 12-\frac 13+\frac 13-\frac 14+\frac 14-\frac 15+…+\frac 19-\frac {1}{10}$?
?$=1-\frac {1}{10}$?
?$=\frac {9}{10}$?
9
?$=1-\frac 12+1-\frac 14+1-\frac 18+\frac 1-\frac {1}{16}+1-\frac {1}{32}+1-\frac {1}{64}$?
?$=6-(\frac 12+\frac 14+\frac 18+\frac {1}{16}+\frac {1}{32}+\frac {1}{64})$?
?$=6-(1-\frac {1}{64})$?
?$=5 \frac {1}{64}$?
上一頁(yè) 下一頁(yè)