七年級學上冊同步優(yōu)題典一元一次方的應(yīng)用（7日歷數(shù)字題姓名：__________________注意事項：

班級：______________

得分：_________________本試卷滿分100分，試題共24題．卷前，考生務(wù)必用0.5毫米黑色簽字筆將自己的姓名、班級信息填寫在試卷規(guī)定的位置．一、選擇題（本大題共小題每小題3分，共30分）在每小題所給出的四個選項中，只有一是符合題目要求的．1A60B39C40D57xx+7x+7xxxxxx+1xx36039573402A72B65C51D27

33xxxx+7++73722451172793bc39A

BC

D1+1+x+239x12B++1++839x10Cxx+8++1639x5Dx+++1439

x3D41A54B72C45D623+1x3+1+3+19232+17593xA134D6x1620201

22A28B34C58D82xx+1xx+1x+6+7x+1+6+7+1+6++758xx+1++6+827x5x11x177x2x5Sx11SD733207nA23B21C15D128n7n61nn+1n+6+7n+899207n

819A

B

C

Dxxx+7+119x

43Bxxx+719x2Cxxxx+819x3Dxxxx+719x3977

77A63B70C96D105H8x6+1x+6+87H686x1x+6+86+x1++1+++6+7Ax97Bx7Cx7D7x105710A39B43C57D66x7x7+7x+39B7+7

33x+43xCx7x+57Dx7+7x+66二填題本題8小題每題3分共24分請答案接寫橫上11192781381x395673x93+95678181122916x+7xx+2x+79+14169161341664256

4????44????4256116644??xx+4832425642561024646425610242561434787223478??x23

??4

787272721523684x2x102+10x10+x10xx

99102+10+23648484164935

x49x12

13

16

35179917100x9876xx+1x+6+7x7+x6+1++xx+7++899x81x9x+817100

10017182019124x4+1617++84x+16+16三解題本題6小題共46分解時寫出字明證過或算驟19122814152560123

12932016x23xx+7+8xx+1+4478158142x12123xx7x+7x7++x6513x14199

401422615226920162039121083120142a3a9a20162242242aa392016

a22473222421121aa7a+7244+163120081616352162000200616723n16nn10n+1220002006a+77aa+72+1+7+8a++1+a+7+a+84+16

3n+2416n+192n+12n1016n35216+12n11316n+12n222020202011+16216+2716nn2256527256+1+n+7]+[n+7716+1+n+7]+[n+7n7]+1n+7n+7

2+14162xx+72x7+75621x282313

5010212526322323550102xx+7x+14+21x+22x+23x++x++14+21x+22+x+23125326

263++6++7+x+8++14++21x+22+x01012471421

181522

291623

3101724

4111825

5121926

613202728

29

30

311228915162222461415