Закончи вычисления. 1) 38 * 4 = 30 * 4 + 8 * 4 =---------------------------- 2) 53 * 6 = 50 * --- + 3 * ----- =----------------------------------------- 3) 246 * 5 = 200 * 5 + 40 * 5 + ------------------------------------------------------------- 4) 1435 * 2 = 1000 * 2 + --------------------------------------------------------------------------- .