The math problem is actually simple and simple. The main person is stupid

Updated on Solid wood 2024-09-15
1 answers
  1. Anonymous users2024-01-24

    ,b= V=374

    2.Let the male students be x, 60x+(50-x)*70=50*63x=35, and there are 20 more boys than girls.

    4.The unit price of a type A book is two yuan.

    Set the unit price of type A to be X yuan, and buy a copy of type A.

    then we get x=2

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