(3m+4n)-(2m+4n) m=1.68 n=0.2 решите срочно!!!!!!!!!!!!!. Created by Alina20032002. algebra-ru

( 3m + 4n ) - ( 2m + 4n ) , если m = 1.68, n = 0.2, то 5.84 - 4.16 = 1.68