50×35+12
=30+12
=42
答:比50的35多12的数是42.
已知集合A={0,1,2,3,4,5},B={1,3,6,9},C={3,7,8},则(A∩B)∪C等于[ ]
A.{0,1,2,6,8}
B.{3,7,8}
C.{1,3,7,8}
D.{1,3,6,7,8}
A.电风扇
B.电铃
C.电炉
D.发电机