1、初一数学上册有理数的混合运算专项练习题95 2 5 ()()(6) 9(2)3(3) 7 7 1 1 10 ( )( ) 5(25)6(18) 2 4 9 1 (0.4)(30) (5)423 (1)2087 8 1 1 1 ()()0 4(4)3(3 8 4 7 1 1 1 ( )( ) 5(26)9(13) 6 5 4 2 1 ( )(10) (3)412 (1)1005 3 4 (11)(7) 14(7) 6.5(21) 1 1 ()() 15(152) (4)413 3 9 124(16)(11) 9.2(5.8)(3.3)5.2 2 1 1 1 6 7 ()() 7.8()(3.8)
2、 5 6 5 7 5 5 1 1 ()()(10) 13(2)3(3) 7 7 6 1 1 ( )( ) 7(26)5(20) 5 4 9 1 (0.2)(6) (3)332 (1)2989 9 1 1 1 ()()0 2(1)3(5 5 9 3 1 7 1 ( )( ) 27(25)6(13) 3 8 3 1 4 ( )(100) (4)252 (1)1056 3 5 (13)(10) 15(11) 15(25) 1 1 ()() 161(1110) (0)312 2 2 1017(9)(14) 7.1(1.2)(0.8)2.3 2 1 1 3 2 2 ()() 8.9()(1.3) 7 5
3、 8 7 5 5 2 1 ()()(10) 1(2)2(4) 7 7 2 1 1 ( )( ) 14(22)2(18) 3 6 5 1 (0.3)(8) (3)333 (1)1877 7 1 1 1 ()()0 20(4)3(2 8 8 2 1 1 2 ( )( ) 27(12)1(17) 7 4 3 3 7 ( )(30) (5)242 (1)1095 4 6 (5)(1) 2(5) 6.5(4) 1 1 ()() 111(32) (0)424 9 4 318(22)(6) 6.6(6.1)(0.5)1.6 2 1 1 2 7 3 ()() 8.8()(1.2) 3 3 8 5 5 5 1
4、4 ()()(8) 29(1)2(5) 7 7 2 1 8 ( )( ) 3(23)10(19) 3 2 9 1 (0.3)(400) (1)423 (1)1782 5 1 1 1 ()()0 12(4)2(2 7 5 3 1 2 7 ( )( ) 11(21)5(13) 7 3 8 4 1 ( )(10) (1)222 (1)1364 5 3 (2)(1) 16(6) 8(2) 1 1 ()() 100(153) (3)213 3 7 392(21)(3) 4.1(5.2)(1.8)9.9 2 1 1 1 1 7 ()() 1.1()(4.2) 3 3 4 5 5 5 4 3 ()()(1)
5、 18(2)2(1) 7 7 1 1 6 ( )( ) 24(15)8(10) 6 4 5 1 (0.9)(700) (1)223 (1)1235 4 1 1 1 ()()0 24(4)2(2 2 4 4 1 1 4 ( )( ) 16(17)6(20) 4 5 5 7 1 ( )(80) (1)353 (1)1643 8 2 (6)(10) 20(14) 3.5(8) 1 1 ()() 93(33) (2)453 5 2 2511(8)(24) 8.7(5.7)(4.9)8.6 2 1 1 1 1 7 ()() 2.2()(4.5) 3 3 4 5 5 5 1 3 ()()(7) 8(2)3
6、(3) 7 7 5 1 8 ( )( ) 21(14)8(20) 4 6 7 1 (0.4)(100) (2)452 (1)2786 9 1 1 1 ()()0 17(3)2(3 8 5 4 1 5 1 ( )( ) 8(26)6(10) 2 6 3 3 8 ( )(70) (3)352 (1)1754 4 7 (9)(14) 1(5) 6.5(0.5) 1 1 ()() 73(138) (0)223 6 3 278(9)(12) 5.4(9.9)(4.4)3.4 2 1 1 2 3 7 ()() 1.3()(8.1) 5 8 7 7 5 5 5 3 ()()(8) 9(1)3(1) 7 7
7、1 1 1 ( )( ) 11(16)9(19) 5 2 5 1 (0.8)(90) (2)213 (1)1318 7 1 1 1 ()()0 23(1)2(3 4 3 2 1 1 3 ( )( ) 8(24)10(18) 8 4 2 3 2 ( )(60) (4)232 (1)1051 2 3 (14)(9) 14(19) 12(21) 1 1 ()() 194(164) (3)354 4 5 229(4)(30) 1.3(8.4)(3.5)3.4 2 1 1 4 9 4 ()() 1.4()(1.3) 3 9 4 7 5 5 1 2 ()()(2) 30(2)2(3) 7 7 8 1 1
8、( )( ) 6(19)6(16) 7 4 9 1 (0.5)(2) (4)332 (1)1801 3 1 1 1 ()()0 30(4)2(3 5 4 4 1 2 6 ( )( ) 12(16)2(18) 3 3 5 1 1 ( )(80) (3)253 (1)1870 2 8 (18)(17) 10(7) 11.5(13) 1 1 ()() 115(18) (3)254 8 8 2412(22)(19) 3.8(1.6)(1.1)8.1 2 1 1 4 6 3 ()() 7.4()(5.6) 7 5 5 7 5 5 3 6 ()()(7) 30(3)3(1) 7 7 8 1 8 ( )(
9、) 4(18)8(18) 7 8 7 1 (0.8)(700) (3)422 (1)2271 7 1 1 1 ()()0 3(4)3(5 3 8 6 1 3 1 ( )( ) 28(29)1(18) 4 2 3 1 1 ( )(30) (2)242 (1)2814 5 2 (18)(14) 9(9) 10(1.5) 1 1 ()() 75(75) (0)232 5 7 1219(26)(27) 1.3(7.8)(1.7)3.2 2 1 1 1 9 8 ()() 5.1()(6.7) 7 4 7 7 5 5 5 6 ()()(5) 5(1)3(1) 7 7 6 1 8 ( )( ) 23(14)7(11) 5 8 9 1 (0.4)(7) (2)353 (1)2211 2 1 1 1 ()()0 28(1)3(4 6 6 2 1 4 1 ( )( ) 18(29)3(13) 6 5 3 2 7 ( )(70) (1)232 (1)1636 3 8 (14)(7) 1(7) 13.5(6) 1 1 ()() 174(94) (5)342 5 9 23(23)(11) 9.6(6.5)(3.6)8.4 2 1 1 3 3 4 ()() 7.6()(3.6) 3 3 3 5 5 5
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