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,the

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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,the
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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,the
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

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,the
1.15-(-8)=23s
2.30-20-40+60=30
So their profit in June is $30

1. 15-(-8)=23s
2. 30-20-40+60=30

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,the 请教几道数学题! 在线等答案~ 请教几道关于函数的数学题【初二】请教几道关于函数的数学题.1、已知一次函数y=-3x+2,当-1/3（负三分之一）≤x≤2时,函数值y的取值范围是?2、已知公式P=F·v,当汽车功率P是常数时,试写出牵 求请教几道初中数学题,要过程! 请教几道关于极限和导数的数学题 拜托给我几道小学的数学题 别太简单了 如果不会. 我再请教你! 拜托! 请教一下几道数学题(急)(如下)p我都迷茫了,非常感受大伙1gb 请教几道高中数学题（平面向量和三角函数）,请简要说明解题方法 数学题 给我几道数学题 初一的 谁能帮我几道英语数学题, 谁能帮我几道英语数学题, 谁能帮我几道英语数学题, 谁能帮我几道英语数学题, 几道数学题...帮我.呜呜呜 接着帮我解决几道数学题, 谁教我几道数学题 帮我解决几道大一数学题! 请教老师给我解答这个数学题