猜你喜欢
- 1如图,用测力计将长杆一端A微微抬离地面,测力计示数是F1;同理,用测力计将长杆的另一端B微微抬离地面,测力计示数是F2.则长杆的重力是(测力计保持竖直向上)( ) A.F1+F22 B.F1+F2
- 2Did you ____ in the football match?
- 3please cross the street with me(改为同义句)帮帮忙啊
- 4加关联词要用3组关联词题目如下↓~
- 51:on my twelfth birthday,l get a p【 】-a toy plane.
- 6What has four legs but can't walk?翻译并给出回答
- 7用竖式计算以下各题:48÷2.3 1.55÷3.8 7.09÷0.52 (保留一位小数) 3.81÷7 246.4÷13 5.63÷6.1(保
- 8急.
- 9已知a、b、c是三角形的三边长,a=2n2+2n,b=2n+1,c=2n2+2n+1(n为大于1的自然数),试说明△ABC为直角三角形.
- 10look for it还是look it for