二次根式专项练习题20.docx
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二次根式专项练习题20
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(√7+7)(√7-7)√16×√9×14
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(√2-√9)2√12-√30√36
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5√3+√96√15-√32√40×√3+16
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√14×√9-3(√9+2)2√27
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(√2+6)(√2-6)√56×√4+24
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(√5+√7)2√20-√16√288
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4√3-√78√2+√40√72×√2+29
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√22×√8+2(√8+1)2√16
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(√5+7)(√5-7)√72×√3-21
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(√2-√8)2√5-√50√96
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2√3+√96√20+√36√36×√6×29
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√30×√2-2(√9+9)2√100
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(√7+7)(√7-7)√48×√8+21
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(√4+√9)2√2-√32√24
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7√3-√96√12+√32√88×√2-10
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√36×√3+2(√2+4)2√81
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(√7+4)(√7-4)√20×√4×13
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(√4-√7)2√8-√36√81
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7√2-√12√15+√45√48×√5×9
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√8×√7-8(√10-6)2√100
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(√7+9)(√7-9)√68×√8×12
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(√2-√7)2√3-√35√4
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6√3-√84√4+√21√28×√4-24
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√38×√10×7(√10+9)2√20
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(√5+10)(√5-10)√64×√6+21
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(√4-√9)2√16+√50√36
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8√2+√84√25+√40√68×√8-9
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√38×√3×9(√9+6)2√63
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(√7+5)(√7-5)√28×√3×12
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(√3-√8)2√20-√24√90
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6√3+√42√10-√18√52×√5×13
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√32×√8×6(√2-10)2√175
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(√7+10)(√7-10)√40×√9-27
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(√5-√8)2√10+√40√81
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5√3+√24√5+√36√28×√3×10
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√28×√8+2(√6-5)2√160
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(√5+10)(√5-10)√16×√7+18
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(√4+√7)2√3-√40√252
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4√2+√48√12-√21√16×√9-9
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√10×√10×4(√4-4)2√75
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(√7+10)(√7-10)√40×√9-6
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(√5-√6)2√4-√21√245
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5√3-√42√10-√40√76×√3+12
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√26×√3-2(√9+3)2√72
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(√7+1)(√7-1)√60×√3+20
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(√2+√9)2√6-√32√45
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3√3-√72√4+√45√12×√7×23
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√32×√5×2(√2-3)2√16
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(√3+2)(√3-2)√40×√5+27
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(√3+√7)2√25-√35√75
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4√2+√72√12-√36√96×√4×3
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√26×√7+6(√9-5)2√32
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(√3+2)(√3-2)√32×√3+26
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(√2-√9)2√6-√36√343
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8√2+√60√12-√24√36×√4+17
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√30×√10-8(√3+6)2√32
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(√2+3)(√2-3)√76×√9+11
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(√2+√9)2√20+√24√27
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4√3+√78√8-√18√72×√9+17
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√30×√8-8(√7-1)2√32
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(√5+9)(√5-9)√56×√5×8
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(√4-√7)2√8+√16√18
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8√3-√48√6+√30√72×√2×27
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