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ID:17339930
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页数:5页
时间:2018-08-30
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1、七年级上解方程50道(1);(2)70%x+(30-x)×55%=30×65%;(3).(4);(5)2(y-3)-6(2y-1)=-3(2-5y);(6);(7)-=1.(8);(9)3(x-2)+1=x-(2x-1)(10).constructionqualityacceptanceandassessmentRegulation(ProfessionalEdition)(DL/T5210.2-2009~DL/T5210.8-2009);1.9thequalitycheckoutandevaluationofelectricequipmenti
2、nstallationengineeringcode(DL/T5161.1-2002~5161.17-2002);1.10thenormsofconstructionsupervision,theelectricpowerconstructionsupervisionregulations(11);(17)=-(12);(18)5(x+2)=2(2x+7);(13)(19)2(x+0.5)-3(x-0.4)=5.6 (14);(20)3(x+2)-2(x+2)=2x+4(15)(21)z+=z-(16)2x+3=x-1(22)--+3=0cons
3、tructionqualityacceptanceandassessmentRegulation(ProfessionalEdition)(DL/T5210.2-2009~DL/T5210.8-2009);1.9thequalitycheckoutandevaluationofelectricequipmentinstallationengineeringcode(DL/T5161.1-2002~5161.17-2002);1.10thenormsofconstructionsupervision,theelectricpowerconstruc
4、tionsupervisionregulations(23)2(10-0.5y)=-(1.5y+2)(29)(24)(30)(25)(31)(26)(32)3(2x+5)=2(4x+3)-3(27)(33)4y﹣3(20﹣y)=6y﹣7(9﹣y)(28)4x-3(x-20)=6x-7(9-x)(34)7(2x-1)-3(4x-1)=4(3x+2)-1constructionqualityacceptanceandassessmentRegulation(ProfessionalEdition)(DL/T5210.2-2009~DL/T5210.8
5、-2009);1.9thequalitycheckoutandevaluationofelectricequipmentinstallationengineeringcode(DL/T5161.1-2002~5161.17-2002);1.10thenormsofconstructionsupervision,theelectricpowerconstructionsupervisionregulations(35)=(41)2(x-2)-3(4x-1)=9(1-x)(36)(51)(4-y)=(y+3)(42)15-(8-5x)=7x+(4-3
6、x)(37)=x-(43)3(x-7)-2[9-4(2-x)]=22(38);(44)120-4(x+5)=25(39);(45)x+12.5=3.5x(40)(46)8x-22.8=1.2constructionqualityacceptanceandassessmentRegulation(ProfessionalEdition)(DL/T5210.2-2009~DL/T5210.8-2009);1.9thequalitycheckoutandevaluationofelectricequipmentinstallationengineeri
7、ngcode(DL/T5161.1-2002~5161.17-2002);1.10thenormsofconstructionsupervision,theelectricpowerconstructionsupervisionregulations(47)2(x-2)+2=x+1(48)15-(8-5x)=7x+(4-3x)(49)3(x-7)-2[9-4(2-x)]=22(50)2(x-2)-3(4x-1)=9(1-x)constructionqualityacceptanceandassessmentRegulation(Professio
8、nalEdition)(DL/T5210.2-2009~DL/T5210.8-2009);1.9thequalitycheckoutan
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