几道英文数学题请教急
请帮我写出公式
1. a spacecraft countdown is at -8second.in how many seconds will the spacecraft be 15second into its flight.
2. the melvilles sell records at a flea market every saturday.on 4 saturday in june,they had a profit of$30,lost$20,lost$40,and had a profit of $60.how much was their profit or loss in june
人气：337 ℃ 时间：2020-05-25 14:57:31
解答
1.15-(-8)=23s
2.30-20-40+60=30
So their profit in June is $30
推荐
- 1.The weight of a cylinder varies as the square of the diameter when the height is constant,it also varies as the height
- 问几道英语,
- 几道数学题和英语题.求助!
- 1.What is the measure of one exterior angle of a regular polygon having 40 sides?
- 几道英语数学题
- 亮亮到商店买彩纸做纸花,商店里有20张红纸、18张绿纸、15张黄纸,他打算这3种颜色各买4张.请问每样各买了商店里这种颜色的彩纸的几分之几?要写出算式
- 已知平行六面体ABCD－A′B′C′D′,AB＝5,AD＝3,AA′＝7,∠BAD＝60°,∠BAA′＝∠DAA′＝45°,求AC′的长．
- 掌握以what,who,where,whose,how,how oid等疑问词引导的特殊疑问句及其回答
猜你喜欢
