英语:1.改一般疑问句 2.否定句1.It comes from the clouds.一般疑问句:否定句:2.It comes from the rapour.一般疑问句:否定句:3.It comes from the water in the river.一般疑问句:否定句:4.The sun shines and rhe w
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英语:1.改一般疑问句 2.否定句1.It comes from the clouds.一般疑问句:否定句:2.It comes from the rapour.一般疑问句:否定句:3.It comes from the water in the river.一般疑问句:否定句:4.The sun shines and rhe w
英语:
1.改一般疑问句 2.否定句
1.It comes from the clouds.
一般疑问句:
否定句:
2.It comes from the rapour.
一般疑问句:
否定句:
3.It comes from the water in the river.
一般疑问句:
否定句:
4.The sun shines and rhe water becomes vapour.
一般疑问句:
否定句:
1.现有浓度为10%的盐水20千克,再加入多少千克浓度为30%的盐水.可以得到浓度为22%的盐水?
2.图中的正方形的面积是30平方厘米,求阴影部分的面积.
“调兵遣将”一、三两个表示动作,二、四两字表示名称,写两个这样的成语
_______、_______
“ 阳奉阴违”一、三两字意思相反,二、四两字意思相反,写四个这样的成语
_______、_______、_______、_______
图在最下面啊!最好别太复杂
英语:1.改一般疑问句 2.否定句1.It comes from the clouds.一般疑问句:否定句:2.It comes from the rapour.一般疑问句:否定句:3.It comes from the water in the river.一般疑问句:否定句:4.The sun shines and rhe w
英语:
1Does it come from the clouds?
It doesn‘ t come from the clouds.
2Does it come from the rapour?
It doesn't come from the rapour.
3Does it come from the water in the river?
It doesn't come from the water in the river.
4Does the sun shine and the water become vapour?
The sun doesn't shine and the water doesn't become vapour.
数学:
1 :设需要再加入x千克30%的盐水.
20%×10+30%x=22%(x+10)
解得x=27.5
答:应加入27.5千克浓度为30%的盐水.
2:因为由题已知得正方形边长为根号30.连接对角线(由左至右的下降线,正方形的)又因为在正方形中,所以左下角的度数为90.所以对角线就等于根号下30加上30,就等于4倍的根号15.又在正方形中,对角线平分右下角,就平分成45度和45度.又因为在同一圆中,所以对角线平分整个扇形且等于扇形的俩个边.所以俩个边长度为4倍根号15.所以S扇=360分之90乘以π乘以240(4倍根号15的平方).得出结果在减去正方形面积30就行了.
语文:
守株待兔,画龙点睛
拆东补西,前俯后仰,去伪存真,惩恶扬善.
我是个初中生,不知道对不对,错的话请多多见谅