由题意,得
x+1≥03-x≥0,
解得-1≤x≤3.
故答案是:-1≤x≤3.
写出下面各数。
(1)零点零二五 写作:( ) (2)五百零五点零五 写作: ( )
(3)四点七九八 写作:( ) (4)二十九点四八 写作:( )
(5)五点零八 写作:( ) (6)九十点七二 写作:( )
—Remember this, children. _______ you study, _______ knowledge you will get.
—We know, Mr. Green. [ ]
A. The harder, the less
B. The hard, the more
C. The harder, the more
D. harder, more