1、初一数学上册有理数混合运算题精选37(2)(18) 7(6) 5.5(13) 1 1 () () (4)8(4.25) 4 9 1 () 4 (8)165 2 5 8 ( )( )(7) 0(1578) 4 7 1 (18) 20(2.3)0(78.6) 10 (8)(8) 4(20) 1.5(1) 1 1 () () (1)2(3.5) 3 5 1 () 16 (4)161.25 7 1 4 ( )( )(5) 1(2259) 2 3 3 (20) 20(6.2)0(26.4) 2 (5)(16) 9(17) 7.5(10) 1 1 () () (1)12(0.5) 3 2 1 () 8 (
2、16)140.5 6 5 1 ( )( )(9) -1(2844) 4 5 1 (20) 10(1.1)0(30) 18 (2)(16) 9(1) 4(19) 1 1 () () (10)12(2.25) 7 5 1 () 12 (20)65 5 6 7 ( )( )(2) -1(2542) 5 6 11 (6) 8.5(9.6)0(95.3) 10 (8)(2) 9(11) 0.5(9) 1 1 () () (1)14(2) 2 8 1 () 20 (16)60.5 4 1 1 ( )( )(2) 1(1307) 8 6 1 (10) 6(1.6)0(38.6) 12 (8)(5) 2(8)
3、 1(1) 1 1 () () (7)6(1) 2 3 1 () 6 (16)200.125 2 1 4 ( )( )(10) 0(1254) 4 3 1 (14) 2(3.9)0(19) 12 (4)(8) 1(15) 7.5(12) 1 1 () () (8)2(1.25) 3 8 1 () 20 (16)20.25 6 8 7 ( )( )(10) -1(2663) 7 6 9 (18) 9.5(6.7)0(66.8) 8 (5)(18) 5(5) 3.5(20) 1 1 () () (8)6(1.5) 5 7 1 () 16 (12)1812.5 2 8 9 ( )( )(7) 1(2
4、682) 7 8 1 (8) 9.5(0.5)0(82) 20 (9)(5) 10(17) 5(20) 1 1 () () (6)12(4.75) 2 9 1 () 18 (12)80.05 8 1 8 ( )( )(3) 0(2506) 5 7 3 (16) 5(6.3)0(50.4) 2 (8)(5) 5(16) 9(17) 1 1 () () (10)6(0.75) 3 4 1 () 20 (20)82.5 5 4 7 ( )( )(8) 1(2799) 3 6 3 (18) 11(9.2)0(66.1) 2 (2)(8) 8(10) 5(12) 1 1 () () (1)12(3.25
5、) 6 7 1 () 10 (8)1212.5 4 4 1 ( )( )(7) -1(2597) 3 2 19 (2) 20(5.9)0(65.2) 18 (9)(5) 6(6) 4.5(13) 1 1 () () (1)16(1) 7 3 1 () 2 (4)20.25 5 9 1 ( )( )(3) 0(2139) 8 8 17 (12) 17(3.4)0(47.3) 16 (1)(10) 9(20) 3.5(12) 1 1 () () (6)6(1.75) 6 2 1 () 20 (16)1450 3 5 1 ( )( )(9) 1(1834) 4 2 7 (20) 6.5(3.1)0(
6、20.1) 6 (2)(20) 8(8) 4(10) 1 1 () () (4)2(1.25) 5 7 1 () 16 (12)162.5 7 1 1 ( )( )(7) 0(1145) 8 7 17 (12) 16(9.9)0(68.6) 16 (1)(13) 9(18) 8(5) 1 1 () () (10)4(3) 3 5 1 () 18 (12)45 5 1 7 ( )( )(4) -1(2784) 2 6 1 (18) 12(6.9)0(12.1) 16 (1)(15) 1(12) 5.5(7) 1 1 () () (8)2(3) 3 6 1 () 10 (16)40.25 6 1
7、1 ( )( )(9) -1(1738) 7 5 15 (12) 18(9.8)0(35) 16 (4)(19) 1(14) 9.5(10) 1 1 () () (9)6(0.5) 2 3 1 () 12 (4)120.25 5 1 1 ( )( )(7) -1(2865) 5 5 19 (16) 9(5.2)0(34.7) 20 (5)(3) 4(8) 3.5(3) 1 1 () () (4)14(4.25) 8 5 1 () 16 (20)140.125 4 1 7 ( )( )(5) -1(2311) 3 6 19 (2) 15.5(6.8)0(10.9) 20 (3)(17) 7(14) 6.5(1) 1 1 () () (8)10(3) 3 7 1 () 10 (8)650 7 1 1 ( )( )(9) 0(2954) 2 4 7 (16) 5.5(7.6)0(44.8) 6 (1)(5) 9(4) 9(13) 1 1 () () (8)20(2.25) 4 2 1 () 10 (12)180.5 6 4 1 ( )( )(4) 0(2011) 3 8 1 (8) 4(1.4)0(52.1) 20
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