整式的混合运算练VIP免费

整式的混合运算练习题22221.5[523]aaaaaa12.52axaxax3232211.3534333xxxx2224.4341241aaaaa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(4xkxx(3)求k13aa221aa(4)已知求32236222()()()()xxxxx(1)22222(32)(32)(94)xyxyxy(2)(322)(322)mnmn(3)(1)(2)(3)(4)221(2)(2)(2)(2)()()nnxyyxxyxyxyxy2514xx212111xxx求.1234612344123452若4m2+n2－6n＋4m＋10＝０，求nm