北師大版初一數(shù)學(xué)上冊期末測試題(五)

小劉老師親筆1313七年級數(shù)學(xué)第一學(xué)期調(diào)研測試題＋＝．＋＝一x一）1246第11313．－＝－x．＋一xa，a，a，aa＝aa|a|a，1234121324a|aa43．．．22264A到B．133，40．×．××9．×9－與xx)＋|＋＝n2ab與ab13＝15．°．．＝3n．a(chǎn)＋a＝a．a(chǎn)―a＝1．a(chǎn)―＝0則n3252222961223－－－一3一(一×—32點．°．°°°n成6則n．68＝4a．1．－11b十a(chǎn)6b－b－b789D．06D;．1311x小劉老師親筆6(6(－x一－－＋(－[－(－＋．(8－11－＝＋6)－43485(58(M是＝，求(5(54(＝＝．小劉老師親筆((5)ABPA5(＞(點BPt(HB3,HP?小劉老師親筆1223÷－(－×－3－）－9······································································3分－）－9········································································4分－9····················································································5分－··························································································6分．畫圖正確·················································································2分································································································3分·······················································································5分································································································6分x－x－x22（－x）x）·······································1分2=x－x·····································································2分2－x－y－xy＋2222x－yx+y＋6]························································3分2222x－y+x－y··························································4分2222x－y·········································································5分22當(dāng)2時））123456789ABB×－×－DDAADBCCB－···················································································七年級數(shù)學(xué)試題參考答案與評分標(biāo)準(zhǔn)．＝x+6－x=－4········································································1分－2··············································································2分．1···········································································3分．142x1x1．－1434．，2．．8－=································································4分································································5分833··························································6分5·································································7分11································································8分－2－－M是＝，··························································································1分6·································································································2分1212∴＝＝，·······································································1分＝∶，小劉老師親筆138····················································6分×＋×＝元；··························7分＋×－×元，····································8分＞，················································································9分································································分．－，t·············································································4分13)＝，···············································································3分∴＝＝，∴8cm·····································································································4分＝∠，2=∠，·········································································5分3，1=∠，·········································································6分設(shè)Px，······························································5分則＋····················································································9分－＝7········································································11分P7．··························································分21=，··················································7分6＝，··············································································8分．x－，··························1分＋．－＝，··········································3分＝，···············································································4分－，················································································5分5······················································6分x5····································7分．x=－．5或．x=5·································分得得·······················································分13．5·························分解－－＝)················································1分·································································································2分5∴5×)··············································4分···········································································6分4×．，·····························7分．．，············································································8分x··························1分－·································································3分＝························································································4分－＝8···························································································5分小劉老師親筆1223÷－(－×－3－）－9······································································3分－）－9········································································4分－9····················································································5分－··························································································6分．畫圖正確·················································································2分································································································3分·······················································································5分································································································6分x－x－x22（－x）x）·······································1分2=x－x·····································································2分2－x－y－xy＋2222x－yx+y＋6]························································3分2222x－y+x－y··························································4分2222x－y·········································································5分22當(dāng)2時））123456789ABB×－×－DDAADBCCB－···················································································七年級數(shù)學(xué)試題參考答案與評分標(biāo)準(zhǔn)．＝x+6－x=－4········································································1分－2··············································································2分．1···········································································3分．142x1x1．－1434．，2．．8－=································································4分································································5分833··························································6分5·································································7分11································································8分－2－－M是＝，··························································································1分6·································································································2分1212∴＝＝，·······································································1分＝∶，小劉老師親筆138····················································6分×＋×＝元；··························7分＋×－×元，····································8分＞，················································································9分································································分．－，t·············································································4分13)＝，···············································································3分∴＝＝，∴8cm·····································································································4分＝∠，2=∠，·········································································5分3，1=∠，·········································································6分設(shè)Px，······························································5分則＋····················································································9分－＝7········································································11分P7．··························································分21=，··················································7分6＝，··············································································8分．x－，··························1分＋．－＝，··········································3分＝，···············································································4分－，················································································5分5······················································6分x5····································7分．x=－．5或．x=5·································分得得·······················································分13．5·························分解－－＝)················································1分·································································································2分5∴5×)··············································4分···········································································6分4×．，·····························7分．．，············································································8分x··························1分－·································································3分＝························································································4分－＝8···························································································5分小劉老師親筆1223÷－(－×－3－）－9······································································3分－）－9········································································4分－9····················································································5分－··························································································6分．畫圖正確·················································································2分································································································3分·······················································································5分································································································6分x－x－x22（－x）x）·······································1分2=x－x·····································································2分2－x－y－xy＋2222x－yx+y＋6]························································3分2222x－y+x－y··························································4分2222x－y·········································································5分22當(dāng)2時））123456789ABB×－×－DDAADBCCB－···················································································七年級數(shù)學(xué)試題參考答案與評分標(biāo)準(zhǔn)．＝x+6－x=－4········································································1分－2··············································································2分．1···········································································3分．142x1x1．－1434．，2．．8－=································································4分································································5分833··························································6分5·································································7分11································································8分－2－－M是＝，··························································································1分6·································································································2分1212∴＝＝，·······································································1分＝∶，小劉老師親筆138····················································6分×＋×＝元；··························7分＋×－×元，····································8分＞，················································································9分································································分．－，t·············································································4分13)＝，···············································································3分∴＝＝，∴8cm·····································································································4分＝∠，2=∠，·········································································5分3，1=∠，·········································································6分設(shè)Px，······························································5分則＋····················································································9分－＝7····················································