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(1+y)2%2x2(1+y2)+x4(1%y)2

(1) x/2=y/3 ① 30%x-16%y=2% ② 解:由①,得3x-2y=0 ③ 由②,得15x-8y=1 ④ ④-③×5,得2y=1 解之,得y=1/2 把y=1代入①,得x/2=1/6 解之,得x=1/3 ∴x=1/3,y=1/2 (2) 2x+3y/4+2x-3y/3=7 ① 2x+3y/3+2x-3y/2=8 ② 解:①-②,...

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