а) 22 * 26 - 11 * 26 = 26 * (22 - 11) = 26 * 11 = 26 * (10 + 1) = 260 + 26 = 286
б) 32 * 26 - 11 * 32 = 32 * (26 - 11) = 32 * 15 = 32 * (10 + 5) = 320 + 160 = 480
в) 43 * 16 + 43 * 13 = 43 * (16 + 13) = 43 * 29 = 43 * (30 - 1) = 1 290 - 43 =
1 247
г) 48 * 11 + 48 * 4 = 48 * (11 + 4) = 48 * 15 = 48 * (10 + 5) = 480 + 240 = 720
а) 22 * 26 - 11 * 26 = 26 * (22 - 11) = 26 * 11 = 26 * (10 + 1) = 260 + 26 = 286
б) 32 * 26 - 11 * 32 = 32 * (26 - 11) = 32 * 15 = 32 * (10 + 5) = 320 + 160 = 480
в) 43 * 16 + 43 * 13 = 43 * (16 + 13) = 43 * 29 = 43 * (30 - 1) = 1 290 - 43 =
1 247
г) 48 * 11 + 48 * 4 = 48 * (11 + 4) = 48 * 15 = 48 * (10 + 5) = 480 + 240 = 720