初一数学上册计算题天天练 33.docx

1、初一数学上册计算题天天练 33 1 1 ()() 192(79) (5)353 8 3 226(3)(15) 3.1(6.6)(2.5)2.4 2 1 1 3 2 1 ()() 4.2()(8.9) 5 4 6 5 5 5 (9m2) y9(52a) 16m4(6b8t) (6mb)3(6m8a) 7 (22y)t 8(3b6mn1) 6 1 1 (yz)(pq) 5(6bx)2(n2q) 9 3 6b(9b8) 6b(3b5s)(4s7b) 6(6b10)7b 3(3x10)(5x9) 4(ab3a)(2a2b) 14(abc5a)8(4a3abc) 3(xy4z)(xy2z) 8(pqpr

2、)(4pqpr) 5 x 1 x 0.1x0.34.20.6x 9 6 6 4 1 8x9x 8(x4)9(x5)18 5 9 1 2 (9x5)x7 2x2(15x)5 4 5 y2 y3 5 1x2(x4)45 2 6 1 2 (34x)(2x5) 4(5x3)6 8 9 3 3 ()()(8) 7(1)3(2) 7 7 5 1 6 ( )( ） 5(10)2(15) 4 4 7 1 (0.6)(300) (2)452 (1)1742 6 1 1 1 ()()0 21(3)2(5) 7 8 3 1 1 2 ( )( ) 22(16)8(14) 7 8 3 1 2 ( )(70) (4)22

3、2 (1)2424 6 3 (15)(8) 11(3) 9.5(5.5) 1 1 ()() 101(165) (3)313 9 7 1620(26)(3) 9.9(1.5)(1.2)0.7 2 1 1 1 4 6 ()() 9.3()(4.8) 7 8 9 5 5 5 (9m2) x5(43b) 13x3(4b4t) (5xb)9(4m4b) 4 (210x)t 3(3b5mn6) 3 1 1 (xy)(st) 3(6bx)9(n3p) 8 3 8b(5b1) 9b(6b6q)(4q9b) 4(9b3)4b 4(6n3)(6n6) 5(ab4a)(4a7b) 7(abc8a)6(4a8abc)

4、 3(xy5z)(xy4z) 8(pqpr)(2pqpr) 5 x 1 x 0.1x0.84.49.8x 6 4 9 2 1 5x9x 6(x4)4(x4)10 7 5 1 2 (3x5)x2 6x8(2x)4 8 5 y1 y2 6 2x3(x4)40 4 5 1 2 (44x)(2x3) 2(8x7)2 6 7 3 6 ()()(4) 10(3)3(3) 7 7 2 1 10 ( )( ） 24(27)1(17) 3 8 9 1 (0.6)(300) (5)323 (1)1579 7 1 1 1 ()()0 18(4)3(4) 7 6 3 1 3 5 ( )( ) 17(22)2(18)

5、8 2 4 5 1 ( )(80) (3)253 (1)2732 4 2 (5)(1) 8(5) 12.5(21.5) 1 1 ()() 122(22) (0)333 2 9 21(13)(29) 0.1(9.8)(3)3.5 2 1 1 1 3 7 ()() 9.1()(2.7) 5 8 7 5 5 5 (7x9) y4(85b) 5x7(4n7c) (4xn)2(7x3b) 9 (202y)c 9(2b7ab9) 8 1 1 (ab)(ef) 3(8ay)7(n8p) 2 4 6y(2y6) 8y(9y2p)(9py) 2(3a10)6a 6(7a10)(7a9) 3(ab9a)(2a7b

6、) 20(abc8a)8(6a5abc) 7(xy5z)(xy9z) 4(pqpr)(2pqpr) 5 x 1 x 0.8x0.39.76.5x 9 2 3 8 1 5x2x 5(x4)6(x9)9 7 8 1 4 (7x8)x4 2x5(9x)1 7 5 y3 y2 4 2.5x8(x9)45 2 5 1 2 (34x)(4x3) 8(9x6)3 4 9 3 1 ()()(7) 29(1)3(3) 7 7 5 1 10 ( )( ） 14(19)7(12) 6 4 9 1 (0.7)(20) (5)253 (1)1330 5 1 1 1 ()()0 10(2)3(4) 7 7 5 1 1 1

7、 ( )( ) 7(20)1(18) 3 8 5 3 1 ( )(40) (1)412 (1)2865 4 6 (3)(7) 10(2) 9(14) 1 1 ()() 143(169) (2)324 5 9 311(28)(10) 0.1(8.3)(4)3.7 2 1 1 2 4 3 ()() 2.3()(1.7) 3 9 9 7 5 5 (6y3) z6(97a) 6x4(6y5z) (3xy)7(8y8a) 1 (104z)z 6(9a6mn8) 2 1 1 (bc)(pq) 2(8bx)4(m3q) 4 4 6n(7n8) 4n(8n6s)(6s2n) 2(5m10)8m 3(6x8)(

8、2x1) 7(ab6a)(6a2b) 20(abc8a)4(6a4abc) 4(xy9z)(xy4z) 8(pqpr)(8pqpr) 5 x 1 x 0.6x0.58.99.7x 3 6 6 2 1 2x3x 7(x7)5(x2)5 9 6 1 3 (5x8)x2 4x5(7x)7 7 5 y3 y1 9 4x5(x1)40 2 5 1 2 (42x)(2x2) 3(6x2)12 3 5 3 6 ()()(9) 27(2)3(4) 7 7 8 1 10 ( )( ） 2(23)9(16) 7 8 9 1 (0.4)(1000) (3)412 (1)2467 6 1 1 1 ()()0 12(2

9、)3(4) 2 2 4 1 7 9 ( )( ) 3(20)6(11) 3 6 8 1 1 ( )(20) (5)413 (1)2819 5 3 (4)(6) 19(15) 9(8) 1 1 ()() 150(94) (4)244 5 5 228(9)(8) 1.1(3.2)(2.7)2.5 2 1 1 1 3 6 ()() 4.8()(7.5) 7 7 3 7 5 5 (3y3) y4(89c) 7x7(3n2t) (5xn)9(7y4c) 1 (64y)t 3(8c6mn3) 3 1 1 (xy)(ef) 2(8ax)2(m3q) 6 7 6m(5m7) 7m(9m4z)(2z9m) 8(

10、8t10)3t 5(5a9)(8a3) 7(ab4a)(8a6b) 14(abc6a)4(5a7abc) 4(xy9z)(xy4z) 7(pqpr)(6pqpr) 7 x 1 x 0.4x0.23.86.5x 9 8 9 2 1 5x2x 7(x2)2(x4)16 9 8 1 4 (8x9)x6 3x8(17x)4 4 5 y2 y1 1 1x9.5(x8)5 2 6 1 2 (33x)(3x2) 7(4x4)3 3 9 6 6 ()()(4) 2(1)3(2) 7 7 1 1 2 ( )( ） 29(15)7(13) 8 8 3 1 (0.2)(90) (4)212 (1)2632 9 1

11、1 1 ()()0 20(1)3(5) 9 6 2 1 5 3 ( )( ) 22(11)2(12) 5 4 2 1 1 ( )(60) (3)452 (1)1361 3 2 (20)(13) 10(6) 13(17) 1 1 ()() 172(102) (0)422 7 9 3817(16)(5) 5.9(7.2)(3.6)5.9 2 1 1 4 1 1 ()() 4.9()(2.6) 3 7 6 7 5 5 (3a1) z2(94a) 12m9(3b3z) (9mb)6(8a9a) 3 (1210z)z 9(2b8mn2) 2 1 1 (ab)(ef) 2(8bx)2(m7p) 4 4 9

12、a(2a9) 6a(8a8c)(7ca) 7(9t10)7t 4(5x6)(7x1) 4(ab2a)(5a3b) 19(abc3a)5(4a7abc) 5(xy2z)(xy9z) 8(pqpr)(3pqpr) 7 x 1 x 0.9x0.10.57.7x 3 8 6 8 1 5x1x 3(x7)5(x1)1 7 3 1 2 (3x1)x6 6x3(8x)5 9 5 y1 y2 5 1.5x10(x5)45 3 6 1 2 (14x)(5x1) 4(7x5)18 8 5 2 6 ()()(8) 27(2)2(5) 7 7 1 1 1 ( )( ） 11(17)5(15) 9 2 9 1 (0.3

13、)(20) (3)222 (1)2836 3 1 1 1 ()()0 25(3)3(5) 4 5 8 1 3 3 ( )( ) 23(12)5(11) 5 2 4 7 8 ( )(40) (1)412 (1)2482 6 7 (2)(19) 13(11) 9.5(20.5) 1 1 ()() 135(81) (5)223 9 4 296(4)(4) 8.5(3)(3.9)8.7 2 1 1 3 8 7 ()() 7.9()(6.5) 7 9 5 7 5 5 (6n1) y8(77a) 4m2(9b9t) (9mb)7(4n7a) 4 (22y)t 2(2b3mn3) 5 1 1 (bc)(ef) 5(8by)4(n6p) 8 6 8n(7n7) 5n(6n8d)(8dn) 7(5m9)8m 1(8m1)(4m6) 8(ab2a)(9a6b) 13(abc2a)5(4a7abc) 2(xy5z)(xy2z) 3(pqpr)(9pqpr) 5 x 1 x 0.6x0.74.88.8x 6 2 6 8 1 5x9x 9(x2)3(x6)14 7 4 1 4 (9x8)x4 8x4(19x)7 9 5 y3 y1 7 3.5x7(x1)35 3 5 1 2 (32x)(4x4) 7(8x3)14 3 5