Set L contains all the positive multiples of 7 that are less than 200. Set O contains all the positive multiples of 10 that are less than 200. 2 V8 i% Z1 n' V2 c: L
If Set W contains all the numbers that appear in both Set L and O, how many numbers does Set Wcontain? - P0 @( P: g1 Q: C8 pA 47% o s* \9 r4 F0 j8 Z
B 462 ?) j# h- f( s$ `$ n
C 45 " x3 _, Y* N& k. [) S$ a' dD 44 0 T' X$ J& n) f, d& p% N; L. P# CE 43 . t3 Q/ u. w4 D$ d- N. A9 T& Y X/ S$ A& d ' L# F- ? ?8 r; X
答案是E,但我觉得答案是C啊,有45个才对。难道multiple倍数不包括数字它本身吗?:confused: