а) (73 + 112) : 16; б) 69 * 190 – 6843 + 68 250 : 65.

а) 73 +112 = 185: 16 = 11. 5.625б) 69 * 190 = 13. 110 68.250: 65 = 1.050 13.110 - 6.843 = 6.267 + 1.050 = 7.317