【正文】 x54y=3186 24x+y=1080 答案：x=45 y=99 (22) 36x+77y=7619 47xy=799 答案：x=17 y=91 (23) 13x42y=2717 31xy=1333 答案：x=43 y=78 (24) 28x+28y=3332 52xy=4628 答案：x=89 y=30 (25) 62x98y=2564 46xy=2024 答案：x=44 y=54 (26) 79x76y=4388 26xy=832 答案：x=32 y=91 (27) 63x40y=821 42xy=546 答案：x=13 y=41 (28) 69x96y=1209 42x+y=3822 答案：x=91 y=78 (29) 85x+67y=7338 11x+y=308 答案：x=28 y=74 (30) 78x+74y=12928 14x+y=1218 答案：x=87 y=83 (31) 39x+42y=5331 59xy=5841 答案：x=99 y=35 (32) 29x+18y=1916 58x+y=2320 答案：x=40 y=42 (33) 40x+31y=6043 45xy=3555 答案：x=79 y=93 (34) 47x+50y=8598 45x+y=3780 答案：x=84 y=93 (35) 45x30y=1455 29xy=725 答案：x=25 y=86 (36) 11x43y=1361 47x+y=799 答案：x=17 y=36 (37) 33x+59y=3254 94x+y=1034 答案：x=11 y=49 (38) 89x74y=2735 68x+y=1020 答案：x=15 y=55 (39) 94x+71y=7517 78x+y=3822 答案：x=49 y=41 (40) 28x62y=4934 46x+y=552 答案：x=12 y=85 (4