第二章整式的加减化简及求值专题训练 2023—2024学年人教版数学七年级上册

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人教版七年级上册数学第二章整式的加减化简及求值专题训练

 

1.化简:

(1)eqId1bfe0fc52f674faa6a4f4a687ea3a17f;

 

 

(2)eqId40745deffc7924d479574efac7f82681.

 

 

2.化简下列各式:

(1)eqId47b53a36d2a935c4e0ea80c855d60de9;

 

 

(2)eqIdeee2283d790cc27b0cb8e0aa622ad77d.

 

 

3.化简下列各式:

(1)eqId0ebc51afa8e01b9db016c2dbff3fb397;

 

 

(2)eqIdb53b9dbc5f9ca0c7d06af8c405edd35d.

 

 

4.化简下列各式:

(1)eqId4d186703e015f0d33157c3d962805421;

 

 

(2)eqId84adaf4722994ffa67a85772e59cdf48.

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5.化简:

(1)eqIdba86f8e5db25ca91349722937d2ad837;

 

 

(2)eqId572a9bd83ea239c5ce869372a9aa3836.

 

 

6.化简:

(1)eqId6c0f55c2ae59fa2cc0aeb5ff77871f03;

 

 

(2)eqId268553c2b2c4821ec8885ed5a2453c2d.

 

 

7.化简求值:eqId7ecff8edaa056297a36a7285c3275ea7,其中eqId707ea658f3a9359f5740d5aab48f7948,eqIdeb70fdf064b9193e506ca43f4672af56.

 

 

8.先化简,再求值:eqId6e454297e6de5851eb8571a3bab51a95,其中eqId200f24e682c93e02a87f3f9d57dc5d40,eqId3cca0ec4b4343a6ccd13b652aea1d00c

 

 

9.先化简,再求值:eqId61d68d3eafe81a39ba6920724a35a64e;其中eqIdef00713e73b8357cc7900144f5505bc6,eqId1b6a27a9d5d345f1e04020bfea2770ac.

 

 

10.先化简,再求值:eqId04db3a3e4569bcdb4cfa354faed6f931,其中eqIdf22a4a0dd7307a1323d25331e60782d8.

 

 

11.先化简,再求值:eqId7fc63e08b304372942764d0646e7d0e3,其中eqId6b108ab31cc093f03cf48ad65429889e,eqId03837b3769eda7f0d3804cc5ad4a6d60.

 

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12.先化简,再求值:eqIdc0d03e0493fb203410c3dc55537619fd,其中eqIdef00713e73b8357cc7900144f5505bc6,eqIde1d0aa9412dd7caf42cc71520e282328

 

 

13.先化简,再求值:eqId77c419b7981754884676dca5deacbca9,其中eqIdf22a4a0dd7307a1323d25331e60782d8,eqIdfcdb7a488910743dc5c63afb394b87e2

 

 

14.先化简,再求值:eqId7492839f65fe240feede9fd7907d53d0,其中eqId4ec0618ae3a4fde6d6220010af229b9aeqId274a9dc37509f01c2606fb3086a46f4f,eqId1367b361dd759a18ca52f37cf55c8707eqId4dac452fbb5ef6dd653e7fbbef639484.

 

 

15.先化简,再求值:eqIddcd06053cfdbf5d13089111b8e401f56,其中eqId44ffc12c0f0e4be8074472571c9079cd.

 

 

16.先化简,再求值:eqIdac8b5cbbd0d421ea9e57a2cffd393de8,其中a,b满足eqId766d2a2cbddbd87d64446dc4b2a13f7e.

 

 

17.先化简,再求值:eqId84ac031ba36c799128f0338d89af4e97,其中eqId9e1c84057882768f20a01365c81b6760,eqId107babba45f110012183dc4dc54490f7.

 

 

18.先化简,再求值:eqId565b00f04ee28387f86eb1d5a24cec03的值,其中eqId639c3d2ff5ee566fcc1b69c65712a661,eqId765820483474a09d023d739b496d3638.

 

 

19.先化简后求值:eqId69e632f7b532b9e616885f3785088167,其中eqIdf18d6965041390f86a7110cc0c5d0333.

 

 

20.已知eqId35d6bcdd835049058dd12c5e456f6b4d,eqId2613ecc5518a2201515f508b42cf7d78,

(1)化简:eqIdb53309f439cb402d1aeb03a5f21f4cf0;

(2)当eqId37e9222ffc26c0e6bfbf252ab5d8a520,eqId03837b3769eda7f0d3804cc5ad4a6d60时,求eqIdb53309f439cb402d1aeb03a5f21f4cf0的值.

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