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问题：【20道普通计算（幂啊带字母的乘法公式什么的）20道因式分解10道二元一次方程可以没有答案,但是不要太简单的,】
答案：↓↓↓ 胡志坤的回答： 网友采纳 2x+17=35 3x-64=11 12+8x=52 0.8x-4.2=2.2 2x+5=10 3x-15=75 4x+4o=320 3x+77=122 5x-1.6=0.6 6x-4=20 10x-0.6=2.4 500-12x=140 1)66x+17y=3967 25x+y=1200 答案：x=48y=47 (2)18x+23y=2303 74x-y=1998 答案：x=27y=79 (3)44x+90y=7796 44x+y=3476 答案：x=79y=48 (4)76x-66y=4082 30x-y=2940 答案：x=98y=51 (5)67x+54y=8546 71x-y=5680 答案：x=80y=59 (6)42x-95y=-1410 21x-y=1575 答案：x=75y=48 (7)47x-40y=853 34x-y=2006 答案：x=59y=48 (8)19x-32y=-1786 75x+y=4950 答案：x=66y=95 (9)97x+24y=7202 58x-y=2900 答案：x=50y=98 (10)42x+85y=6362 63x-y=1638 答案：x=26y=62 (11)85x-92y=-2518 27x-y=486 答案：x=18y=44 (12)79x+40y=2419 56x-y=1176 答案：x=21y=19 (13)80x-87y=2156 22x-y=880 答案：x=40y=12 (14)32x+62y=5134 57x+y=2850 答案：x=50y=57 (15)83x-49y=82 59x+y=2183 答案：x=37y=61 (16)91x+70y=5845 95x-y=4275 答案：x=45y=25 (17)29x+44y=5281 88x-y=3608 答案：x=41y=93 (18)25x-95y=-4355 40x-y=2000 答案：x=50y=59 (19)54x+68y=3284 78x+y=1404 答案：x=18y=34 (20)70x+13y=3520 52x+y=2132 答案：x=41y=50 (21)48x-54y=-3186 24x+y=1080 答案：x=45y=99 (22)36x+77y=7619 47x-y=799 答案：x=17y=91 (23)13x-42y=-2717 31x-y=1333 答案：x=43y=78 (24)28x+28y=3332 52x-y=4628 答案：x=89y=30 (25)62x-98y=-2564 46x-y=2024 答案：x=44y=54 (26)79x-76y=-4388 26x-y=832 答案：x=32y=91 (27)63x-40y=-821 42x-y=546 答案：x=13y=41 (28)69x-96y=-1209 42x+y=3822 答案：x=91y=78 (29)85x+67y=7338 11x+y=308 答案：x=28y=74 (30)78x+74y=12928 14x+y=1218 答案：x=87y=83 (31)39x+42y=5331 59x-y=5841 答案：x=99y=35 (32)29x+18y=1916 58x+y=2320 答案：x=40y=42 (33)40x+31y=6043 45x-y=3555 答案：x=79y=93 (34)47x+50y=8598 45x+y=3780 答案：x=84y=93 (35)45x-30y=-1455 29x-y=725 答案：x=25y=86 (36)11x-43y=-1361 47x+y=799 答案：x=17y=36 (37)33x+59y=3254 94x+y=1034 1、y^2-2y-x^2+1 2、(3a+2b)^2-2(3a+2b)(2b-3a)+(3a-2b)^2 3、-m^3n^3+4m^2n^2-mn 4、(x+1)(x+3)(x+5)(x+7)+15 5、x^2-2xy+y^2-13x+13y+30 6、4(x+2z)(x-2z)+12xy+9y^2 7、a^4+(a+b)^4+b^4 8、6x^2-7xy-3y^2-x+7y-2 9、x^2+x-2 10、x^2-4xy+3y^2-x-y-2 11、x | 
