二次根式专项练习题228.docx
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二次根式专项练习题228
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(√2+10)(√2-10)√68×√8×21
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(√3+√8)2√4-√50√72
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8√2+√78√9+√28√36×√9+21
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√8×√4×10(√9-7)2√225
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(√3+4)(√3-4)√68×√7+18
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(√2+√6)2√12-√18√72
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5√3-√36√4+√50√32×√8-14
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√30×√9-6(√8-7)2√18
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(√5+3)(√5-3)√24×√9-3
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(√2-√6)2√10+√18√16
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4√3+√30√4+√30√52×√3-14
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√32×√10-8(√4-6)2√45
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(√2+8)(√2-8)√72×√3×14
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(√5+√6)2√10-√35√16
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2√3-√36√5+√12√44×√4+3
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√28×√3×4(√7+10)2√50
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(√3+1)(√3-1)√96×√8+17
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(√5-√9)2√20-√27√20
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8√2+√78√20+√30√40×√7-13
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√8×√8-2(√7+7)2√50
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(√5+10)(√5-10)√36×√7×24
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(√2-√6)2√8-√40√36
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9√2-√24√6+√21√12×√6×27
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√38×√5+4(√6-4)2√160
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(√7+9)(√7-9)√24×√7-16
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(√2-√6)2√16-√36√144
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9√3-√24√8+√21√96×√2×29
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√20×√10×9(√7+2)2√45
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(√5+4)(√5-4)√80×√9+16
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(√3-√6)2√20-√45√36
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2√2-√84√20-√16√32×√9×10
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√22×√4-7(√9+3)2√64
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(√2+9)(√2-9)√56×√5×20
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(√4-√9)2√25-√24√18
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2√3+√18√20-√35√36×√5-9
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√2×√4×10(√10-5)2√125
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(√5+5)(√5-5)√40×√4×13
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(√2+√8)2√20-√18√200
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8√3-√60√2-√24√72×√4-28
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√32×√10+5(√5+10)2√90
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(√3+7)(√3-7)√64×√3+24
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(√3-√8)2√4+√35√245
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4√3+√48√8+√27√52×√5-28
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√16×√9+4(√9+8)2√144
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(√2+5)(√2-5)√56×√2+9
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(√3-√6)2√20-√18√72
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3√2-√48√6-√45√80×√3×21
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√16×√4×8(√4-9)2√150
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(√7+7)(√7-7)√64×√5+23
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(√4-√7)2√16-√28√32
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7√2-√30√4+√40√12×√7-16
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√6×√8×2(√8-8)2√25
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(√3+7)(√3-7)√64×√4-6
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(√4-√7)2√10-√20√96
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2√3-√42√15-√12√48×√8-2
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√12×√2-3(√7-2)2√225
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(√2+4)(√2-4)√80×√6-17
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(√5-√8)2√10+√40√45
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2√2-√12√2+√35√44×√2-9
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√32×√8+6(√8-6)2√24
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(√7+4)(√7-4)√80×√3×14
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(√2-√8)2√20-√18√18
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2√3+√54√4+√28√48×√7-3
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√1