84. >, K ИЛИ = ? a) 90.43+3.43...93.45; 37.8.7... 37.56; 78.6+78.3... 78.8; B) (60+7).9...60.9+8.9; 96.7.8...96(7 + 8); 36.(20 + 4)... 36.(20 - 4); д) 804-35... 804:37; 1 008.8 ... 1 008:9; 123.50 ... 123.(43 + 8); 6) 80.34...80.35; 68.15...68 (10+6); 37.21 ... 37. (30-8); r) (70 + 6). 102...201.76; 83.27 ... 83. (20+7); 74.6+74.2...74.8; е) 204-9-7... 204.65; (300 + 5).6...305.7; 49.9.8...49.98. 1​