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110頁(yè)

第110頁(yè)

信息發(fā)布者:
?$ =\frac 23+\frac 29+\frac 79$?
?$ =\frac 23+(\frac 29+\frac 79)$?
?$ =1\frac 23$?
?$ =(\frac 16-\frac 17)×42$?
?$ =\frac 16×42-\frac 17×42$?
?$ =7-6$?
?$ =1$?
?$ =\frac 27÷\frac 27÷\frac 89÷\frac 89$?
?$ =1×\frac 98×\frac 98$?
?$ =\frac {81}{64}$?
?$ =[\frac 7{11}+\frac 4{11}-\frac 8{15}]×\frac {45}{14}$?
?$ =[1-\frac 8{15}]×\frac {45}{14}$?
?$ =\frac 7{15}×\frac {45}{14}$?
?$ =\frac 32$?
5:12
1:4
15:8
2:5
?$\frac {5}{12}$?
?$\frac {1}{4}$?
?$\frac {15}{8}$?
?$\frac {2}{5}$?
?$\frac {45}{16}$?
?$\frac {16}{45}$?
3
1
已看頁(yè)數(shù)
總頁(yè)數(shù)
3
4
?$12 \frac {3}{4}$?
21
45
?$ =2022÷(2022+\frac {2022}{2023})$?
?$=2022÷\frac {2022×2023+2022}{2023}$?
?$=2022÷\frac {2022×(2023+1)}{2023}$?
?$=2022÷\frac {2022×2024}{2023}$?
?$=2022×\frac {2023}{2022×2024}$?
?$=\frac {2023}{2024}$?