Завдання 201 - 300 » 300

Виконай дії: 1) 73/4 – 25/6 – 33/8 = 67/4 – 25/6 – 33/8 = 1(42 - 20 - 9)/24 = 113/24; 2) 108/15 – 41/12 + 57/20 = 11(32 - 5 + 21)/60 = 1148/60 = 114/5; 3) 125/8 + 72/3 – 113/16 = 8(30 + 32 - 9)/48 = 853/48 = 95/48; 4) 823/25 – 37/10 – 21/5 = 3(46 - 35 - 10)/50 = 31/50; 5) 19 – (41/6 + 113/4) = 19 – 15(2 + 9)/12 = 1812/12 – 1511/12 = 31/12; 6) 25/6 + (7 – 27/10) = 25/6 + (610/10 – 27/10) = 25/6 + 43/10 = 6(25 + 9)/30 = 634/30 = 617/15 = 72/15.