本人不是NN，考了3次才上700 (M50 V 34)，分数也不高，但对于V还有2题没做完， 2题乱点(没时间了，我可怜的之PACE)，有700我也满足了，不想太考了，太折磨人了。我不是N人，所以真的记不住狗，数学狗可能遇到有20只， V的狗狗阅读有3篇，狗狗很全了，还有一篇实在想不起来， pls forgive me cders.只有一道数学狗狗纠正一下。
106两个pump以各自的速率向500升
的油桶注油，问，一共需要多少时间
A. 第一个pump注500升油的时间比第二个pump注500升油的时间要少1分钟
B. 第一个pump注入的量和第二个pump注入的量的比是3:2
条件一：500/V1+1=500/V2 不充分
条件二：应该说是相同时间的注入量，所以V1*T:V2*T=3:2不充分
条件一加条件二可以求出V1和V2，既可以求出总共时间，所以选C
我遇到的条件是， 1。第一个pump每分钟比第2个pump多一gallon.
2.第一个pump比第2个多注了100 gallon (应该是)
然后作文是：
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