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ǰλãҳ > 最新北师大版七年级上册有理数及其运算单元测试题及答?- 百度文库

最新北师大版七年级上册有理数及其运算单元测试题及答?- 百度文库

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  • 2025/6/15 20:05:42

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315912???1276814143159???14?12768143159???168768143159??168?168??168?16876814?72?28105?108?41

5201833[231.5?]?[12]6?[21.75]?[18]?0.25?71?28

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1111111111114?????......?98109111012111312100991111111111?????.......89910101111129910011? 810023?200

2512119653??[?2972???2]36119121191121212?3??[?29?72?]61191191191200?18?

1193342?119

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2392201710120176?1??3.6?2.5?348519522017??1???2.5?1281851522017???2.5?1216515 ???1121659?48

82473.7?8?6?43.7?0.9?4933824?3.7?83.7?0.9?6?4?49338124?3.7?81?4?6?9933?3.7?10?4?8 ?3732?5

19

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121211411124?33xx?2x?xxx xxxxxxx1212x?3ԣx?3

xxx8֪

12114111243xx?2x?xxxxxxx?3?33?2?32?323?3?93?18?99?24

9x=456£7 y=4[56£7]5[6£7]yxabֵ

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y?x?a?b

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xxa=4£56£7b=4

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ʦ ϵķ ĵطԼ΢ţ18366198867 315912???1276814143159???14?12768143159???168768143159??168?168??168?16876814?72?28105?108?41 5201833[231.5?]?[12]6?[21.75]?[18]?0.25?71?28 17

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