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分式混杂运算专题练习计算以下各题:(1)x3yx2y2x3y(2)a23a11.x2y2x2y2y2x2a21a1(3)16(4)x2x1(5)a-a6+3,a39a2x1a3a23aa(6)2xyxy2b23132y2xyyxab2x662x9x2xab11x2y2x2x1(11)(aaa24xyxyxy2-24x4)ax2xxa2a22已知x为整数,且222x18为整数,求全部的吻合条件的x的值的和x33xx293、混杂运算:(2x31)x293xx2x4a1a2a1xxx2x2x2a12a1a(a25a21)a24x22x1(1x3)x3(x25)a2a24a4x21x1x2x211x1x24x4x22x11xy11x1x21x22x1x24x2x2y2xyxyx(a2b2+2)a2b2xx3x22x1ababx1x21x3(x2x1)x21622xx24xx24xx44计算:(x2x14x,并求当x3时原式的值22xx24x4)xx5、先化简,3xxx21再取一个你喜爱的数代入求值:x1x1x