3 3/4
х+ 29/20 + (29/20 - 13/20) = 6
x + 45/20 = 120/20
x= 120/20 - 45/20
x= 75/20= 3 3/4л.
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3 3/4
х+ 29/20 + (29/20 - 13/20) = 6
x + 45/20 = 120/20
x= 120/20 - 45/20
x= 75/20= 3 3/4л.