整式的混合运算练习题整式的混合运算练习题 22221.5523aaaaaa 12.52axaxax 3232211.3534333xxxx 2224.434 12 41aaaaa 21.()xy 22.(32)xy 213.()2ab 24.(21)t 215.(3)3abc 2236.()32xy 211.(1)2x(2)、(0.02x+0.1y)2二、利用完全平方公式计算：（1）1022 （2）1972（3）982 （4）2032 221.(3)xx 222.()yxy 23.()xyxyxy 4.(3)(3)(1)(4)aaaa 221.(1)(1)xyxy 22.(23)3(21)(4)aaa 3.(3)(3)abab 4.(2)(2)xyxy)3)(3(baba(1)2323xyzxyz(2)22)2(4xkxx(3)求求k13aa221aa(4)已知已知求求3 22 36222()()()()xxxxx (1)22222(32)(32)(94)xyxyxy(2)(322)(322)mnmn(3)(1)(2)(3)(4)22 1(2)(2)(2)(2)()()nnxyy xx yx yx yx y 2514xx 212111xxx求求.1234612344123452若若4m4m2 2+n+n2 26n6n4m4m1010，求，求nm
