2 4 7 х 3 1 9 July 8, 2019 16 32 64 128 2 4 7 3 1 9 9 х 3 1 2 * 4 7 )= 0 9 3/4 х=7 7/11 4(х-7)-2(х+3) 9 9 3/4 (l) x 7 1/2 (h) x 4 3/4 (w)
