This pen is too small Can you give me another one .这里的anothe
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This pen is too small Can you give me another one .这里的another能否跟other交换.
一列快车长70米,一列慢车长80米,若两车相向而行:快车追上慢车并完全离开慢车所用时间为20秒,若两车同向而行,则两车从相遇到离开时间为4秒,求两车每秒各行多少米?
一列快车长70米,一列慢车长80米,若两车相向而行:快车追上慢车并完全离开慢车所用时间为20秒,若两车同向而行,则两车从相遇到离开时间为4秒,求两车每秒各行多少米?
This pen is too small Can you give me another one .这里的another能否跟other交换.
答:不能another是另一个,是不确定的.other是其他几个,要加s.
一列快车长70米,一列慢车长80米,若两车相向而行:快车追上慢车并完全离开慢车所用时间为20秒,若两车同向而行,则两车从相遇到离开时间为4秒,求两车每秒各行多少米?
解 设:快车每秒行x米,慢车每秒行y米
相向而行就是x+y
快车追慢车就是x-y
需要行驶的路程都是 70+80=150米
可得(x+y)*4=150
( x-y)*20=150
x=22.5
y=15
答:不能another是另一个,是不确定的.other是其他几个,要加s.
一列快车长70米,一列慢车长80米,若两车相向而行:快车追上慢车并完全离开慢车所用时间为20秒,若两车同向而行,则两车从相遇到离开时间为4秒,求两车每秒各行多少米?
解 设:快车每秒行x米,慢车每秒行y米
相向而行就是x+y
快车追慢车就是x-y
需要行驶的路程都是 70+80=150米
可得(x+y)*4=150
( x-y)*20=150
x=22.5
y=15
This pen is too small Can you give me another one .这里的anothe
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