2.
а)-20х×(-20)/ 2х×12×(-10)= -10×2/12 = -10/6= -5/3.
б) -5х ×(-10)×12/ 60х×6×(-4)= -5×2/12×2= -5/12.
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Answers & Comments
2.
а)-20х×(-20)/ 2х×12×(-10)= -10×2/12 = -10/6= -5/3.
б) -5х ×(-10)×12/ 60х×6×(-4)= -5×2/12×2= -5/12.