Реши уравнения.    1)2000/х  это дробь!=40     2)х/70=5   3)(60*х-32):16=13      4)75-960:(х+39)=55        5)12  7/23-(6  18/23-х)=3  21/23+5   19/23       6)(х-5   3/14)+8  13/14=15-3  9/14.Всё!

 

 

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