0  443950  443958  443964  443968  443974  443976  443980  443986  443988  443994  444000  444004  444006  444010  444016  444018  444024  444028  444030  444034  444036  444040  444042  444044  444045  444046  444048  444049  444050  444052  444054  444058  444060  444064  444066  444070  444076  444078  444084  444088  444090  444094  444100  444106  444108  444114  444118  444120  444126  444130  444136  444144  447090 

10. 解：原式

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9. 解：原式································ (4分)

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8. 解：原式＝

　　　　　　　　 ＝＝2

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7. 2+2

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6. 解：＝

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5. 解：原式=2+1-3+2　　　　　　　　　　　　　　　　　　　　　 　……4分

　　　　　　　 =2　　　　　　　　　　　　　　　　　　　　　　　　　 ……2分

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4. 解：原式························································································ 2分

·········································································································· 5分

···················································································································· 6分

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3. 解：原式········································································ 4分

································································································ 5分

······················································································································ 6分

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2. 解：原式==

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1. 解：原式=2+3-1-2=2

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