1、初一数学上册有理数的计算专项练习37 1 5 ()()(2) 6(2)2(4 7 7 7 1 1 ( )( ) 6(15)5(13) 6 2 5 1 (0.6)(5) (2)232 (1)1734 6 1 1 1 ()()0 5(3)2(5 5 4 4 1 1 1 ( )( ) 17(23)7(12) 5 5 4 1 1 ( )(60) (5)452 (1)2732 2 7 (7)(7) 10(14) 3(17.5) 1 1 ()() 95(109) (2)412 2 7 1618(30)(6) 0.1(3.9)(3.7)0.3 2 1 1 4 1 9 ()() 1.1()(9.2) 9 5
2、9 5 5 5 2 4 ()()(7) 10(1)2(4 7 7 5 1 1 ( )( ) 28(28)1(17) 6 2 5 1 (0.4)(10) (5)343 (1)2385 2 1 1 1 ()()0 23(4)3(2 6 7 9 1 1 7 ( )( ) 23(15)10(13) 4 2 8 1 1 ( )(50) (1)253 (1)1722 6 6 (7)(13) 7(8) 9.5(18) 1 1 ()() 140(48) (5)242 5 2 1218(24)(8) 2.7(7.4)(0.6)2 2 1 1 3 7 3 ()() 9.8()(2.5) 7 4 5 5 5 5 4
3、 5 ()()(6) 26(4)3(5 7 7 1 1 1 ( )( ) 25(26)6(20) 5 6 7 1 (0.6)(8) (1)252 (1)2921 7 1 1 1 ()()0 22(1)2(5 8 8 2 1 4 3 ( )( ) 5(27)2(12) 7 3 2 5 1 ( )(90) (4)452 (1)1762 6 3 (9)(9) 19(11) 0.5(16.5) 1 1 ()() 201(31) (3)254 6 7 405(28)(10) 7.6(7.8)(4.4)9.2 2 1 1 1 1 2 ()() 4.8()(2.5) 5 5 5 5 5 5 5 3 ()()
4、(4) 25(1)3(4 7 7 1 1 1 ( )( ) 19(14)10(14) 4 6 9 1 (0.4)(2) (4)333 (1)2078 9 1 1 1 ()()0 16(3)2(1 8 4 2 1 3 4 ( )( ) 28(23)6(13) 7 2 3 5 1 ( )(100) (2)352 (1)1762 6 4 (7)(8) 10(11) 12(23.5) 1 1 ()() 145(38) (1)234 8 5 154(27)(15) 7.3(8.4)(2.4)4.7 2 1 1 2 2 1 ()() 1.7()(9.8) 5 9 3 7 5 5 4 6 ()()(6) 2
5、4(4)3(1 7 7 1 1 4 ( )( ) 5(22)7(17) 8 6 5 1 (0.5)(70) (4)432 (1)2941 6 1 1 1 ()()0 3(4)3(1 8 8 6 1 1 1 ( )( ) 29(28)8(19) 7 3 2 1 1 ( )(60) (2)323 (1)2467 3 3 (12)(5) 0(6) 13.5(1) 1 1 ()() 105(193) (2)324 6 2 255(15)(3) 1.3(1.5)(0.8)7.3 2 1 1 1 3 3 ()() 2.1()(4.9) 9 4 9 5 5 5 3 4 ()()(8) 18(1)2(1 7
6、7 8 1 1 ( )( ) 22(28)8(11) 7 8 9 1 (0.9)(60) (3)212 (1)2060 7 1 1 1 ()()0 6(2)2(5 9 4 3 1 8 4 ( )( ) 8(18)8(11) 5 7 3 6 1 ( )(80) (5)412 (1)1333 5 2 (10)(5) 3(14) 3.5(7.5) 1 1 ()() 152(153) (3)332 9 7 62(11)(30) 5.8(8.7)(0.9)7.2 2 1 1 2 9 3 ()() 8.9()(3.5) 5 8 6 7 5 5 4 1 ()()(10) 1(1)2(2 7 7 7 1 1
7、( )( ) 8(17)2(20) 6 2 7 1 (0.2)(20) (1)252 (1)1463 3 1 1 1 ()()0 4(4)3(5 6 8 3 1 1 3 ( )( ) 24(28)10(15) 5 4 2 7 1 ( )(50) (3)333 (1)1739 6 5 (13)(4) 10(17) 9(24) 1 1 ()() 194(142) (2)234 3 9 1018(20)(5) 1.3(2.9)(0.6)0.1 2 1 1 2 9 3 ()() 8.5()(3.1) 7 5 2 7 5 5 4 1 ()()(10) 7(4)3(4 7 7 2 1 8 ( )( ) 12(10)3(11) 3 6 7 1 (0.6)(2) (2)252 (1)2907 3 1 1 1 ()()0 26(2)3(4 4 6 8 1 3 3 ( )( ) 5(19)1(15) 6 4 4 1 6 ( )(90)
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