试题 试卷
题型:单选题 题类:常考题 难易度:困难
(1)(+-)÷(+-) (2)(+-)×(60×-60×+60×)
(3)[47- (18.75-1+)×]+0.46 (4)
(5)1.998+29.98+399.8+4998 (6)
(7)2x-[x-(x-1)]=(x-1) (8) +++……+
试题篮