分式的運算習題講解(編輯修改稿)
2024-12-25 00:57 本頁面
【文章內(nèi)容簡介】 ??22)2(解：原式 = mnmmnnmmnn???????2)(2mnmmnnmmnn???????22mnmnmn????? 2)2(mnmnmn????? 22mnnm??? 1??例 7：計算 3192)1(2 ??? mmm解：原式 = )3)(3(3)3)(3(2??????? mmmmmm)3)(3(32?????mmmm)3)(3(3????mmm31?? m(2020年 深圳 ) )3(1)3)(3(2???? mmmmyxyxx ???2)2(解：原式 )(2yxyxx ????12 yxyxx ????yxyxyxyxx??????))((2yxyxx???? )( 222yxyxx???? 222yxy??2例 8：計算 )11(122 yxyxyx ?????解：原式 = yxyxyxyxyxyx ?????????1))((1)(1))((1)())(( 1)())(( 1 yxyxyxyxyxyx ??????????yxyx ????11222yxx??例 8：計算 )11(122 yxyxyx ?????解：原式 = ))((122 yxyxyxyxyx ???????222221yxxyx ????x21?xyxyx 21 2222????例 9：先化簡 ,41)231( 2 ????? aaa 然后
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