二元一次方程组题计算题100道thank you thank you thank you thank you thank you thank you thank you
问题描述:
二元一次方程组题计算题100道
thank you thank you thank you thank you thank you thank you thank you
答
(1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=5...