二次根式专项练习题18.docx
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二次根式专项练习题18
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5√3+√66√15+√36√12×√2-4
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√40×√10+10(√2+7)2√175
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(√7+5)(√7-5)√12×√3×24
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(√5-√9)2√3+√45√144
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7√2+√96√12+√16√24×√8×19
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√24×√9-8(√8-7)2√24
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(√3+7)(√3-7)√92×√3+12
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(√2-√8)2√20-√12√175
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3√3-√66√4-√21√96×√9-7
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√28×√10+6(√5-10)2√32
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(√7+8)(√7-8)√36×√6×26
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(√4+√8)2√12+√30√27
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2√3-√60√4-√45√60×√7×8
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√2×√8×9(√4-8)2√48
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(√7+1)(√7-1)√68×√6×12
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(√3-√7)2√15+√50√98
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4√3+√18√2-√36√76×√5×17
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√6×√6-9(√6-8)2√12
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(√5+9)(√5-9)√44×√7×29
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(√2-√7)2√8+√24√9
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5√2-√90√20-√40√56×√5×22
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√34×√9+4(√4+9)2√250
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(√2+7)(√2-7)√80×√7-8
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(√5+√7)2√20-√30√112
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7√2+√78√9-√32√96×√8+29
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√14×√9-9(√2-10)2√12
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(√7+4)(√7-4)√80×√9×12
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(√2-√7)2√12-√21√4
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9√2+√18√15+√18√92×√7+21
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√14×√8-7(√5+6)2√25
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(√5+8)(√5-8)√32×√7+9
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(√3+√9)2√15-√18√90
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5√3-√96√10-√35√36×√6-24
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√16×√5×6(√4-5)2√144
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(√3+7)(√3-7)√44×√5+21
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(√5-√7)2√25+√50√144
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4√2-√24√12+√18√60×√5-5
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√38×√8×8(√3+5)2√63
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(√5+10)(√5-10)√64×√4×4
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(√4+√7)2√9+√14√125
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5√2-√42√10+√36√80×√2-17
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√22×√10+7(√5-8)2√150
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(√2+8)(√2-8)√44×√9+2
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(√3-√7)2√9-√45√196
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5√2+√78√2-√45√12×√6+14
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√26×√7×10(√4+8)2√18
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(√2+2)(√2-2)√24×√5+15
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(√2+√9)2√15+√21√196
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7√2-√18√9-√12√60×√5-24
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√8×√6×6(√8-6)2√100
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(√5+2)(√5-2)√88×√2+15
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(√3+√8)2√20+√35√40
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3√3-√42√4+√32√24×√3×5
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√4×√10+7(√5+5)2√81
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(√7+1)(√7-1)√32×√2+5
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(√2-√6)2√8-√24√108
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7√3-√54√12-√21√28×√7+23
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√38×√6+10(√5+4)2√100
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(√5+1)(√5-1)√72×√3×6
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(√4+√8)2√25+√18√18
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7√3-√30√10-√16√24×√5+29
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√32×√6×4(√6-4)2√200
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(√3+4)(√3-4)√72×√4-17
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(√2+√9)2√15-√36√36
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6√3-√66√4-√40√88×√9-30
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√12×√5+9(√7+10)2√150
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(√5+7)(√5-7)√72×√3-5
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(√3+√6)2√20-√21√160
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8√2+√42√15-√16√24×√7-14
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√24×√9+7(√6+6)2√27
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(√5+7)(√5-7)√16×√5×19
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(√2-√9)2√15+√30√324
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7√3+√84√9-√35√28×√9+4
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√34×√3+8(√6-5)2√100
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(√5+4)(√5-4)√20×√6×6