$\frac{4}{69}=$ ,$\frac{18}{23}=$ .
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]32,27,23,20,18,( )A.14B.15C.16D.17
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45
[单选题]6,7,18,23,( ),47。A.25B.38C.40D.45