猜你喜欢
- 19-1.4x=9.8x-2.2 怎么解
- 2一根绳子减去3分之2米,剩下的比减去的长4分之3.剩下多少米?
- 3用长为80米的竹篱笆围成一个长方形菜园,要使菜园面积最大,长和宽应该是多少米?最大的面积是多少?
- 4写10个描写春天的四字词语!
- 5We should eat more ( ) every day?为什么这里填vegetables而不是vegetable?
- 6有一墙高6m,密度2.5*10三次方kg/m³,求墙对地面的压强
- 7Tom got very angry when he realized he__ A.was being made fun of B.is made fun of C.had made fun of D.has been made fun
- 8Linda was ill.so she didn't go to work yesterday.(对划线部分提问Linda was ill)
- 9在电路中,有一节电池,有两个开关,两个灯泡,导线若干根,闭合任何一个开关,两灯都亮,怎么连结?
- 10质量为20千克的物体静止在水平地面上,与地面的接触面积为220平方厘米,有一个20牛竖直向上的力作用中央