A . 15
B . 344
C . 343
D . 11
[试题]5,6,19,17,(),-55A.15;B.344;C.343;D.11;
[试题]5,6,19,17,(),-55A.15;B.344;C.343;D.11;
[单选题]5, 6, 11, 17, ( )。A.28B.32C.30D.26<
[单选题]5,6,10,19,35,( )。A.60B.61C.62D.63
[试题]5,6,19,33,(),101A.55;B.60;C.65;D.70;
[单选题]5,6,19,33,(),101A . 55B . 60C . 65D . 70
[单选题]5,6,10,19,35,( )。A.56B.58C.60D.68
[单选题]19+3×4-5×6=()A . 140B . 20C . 10D . 1
[单选题]:20×20-19×19+18×18-17×17+…+2×2-1×1=( )A.3245B.2548C.210D.156
[单选题]3,5,6,10,11,17,18,( )。A.25B.26C.27D.28