4 x 5 ) 8 7x 18 July 8, 2019 16 32 64 128 4 x 5 )+ 8 7x 18 5 x 7 = 35 8 7 x - 4 5 x равно 10 5 (4 5-x)×5 8=8 7 8 4 × (-5 7)
