1、初一数学上册有理数混合运算题精选13(4)(5) 2(5) 10(11) 1 1 () () (1)20(3.25) 4 7 1 () 6 (16)82.5 8 1 3 ( )( )(10) 0(1107) 7 2 1 (10) 12.5(0.1)0(34.6) 8 (4)(18) 2(5) 5(1) 1 1 () () (1)2(4.25) 4 9 1 () 8 (8)14125 6 1 8 ( )( )(10) 0(1911) 6 7 13 (12) 8(2.2)0(44.1) 14 (7)(11) 9(7) 7(7) 1 1 () () (1)20(2.75) 4 4 1 () 12 (
2、4)1250 2 1 1 ( )( )(5) 1(2319) 2 8 1 (18) 17(6.8)0(40.8) 18 (4)(6) 1(1) 3.5(17) 1 1 () () (8)12(4.75) 2 6 1 () 6 (8)4125 7 7 1 ( )( )(9) 1(2823) 6 7 19 (8) 19(3.4)0(70.6) 18 (3)(11) 5(5) 6.5(20) 1 1 () () (9)16(4.5) 2 5 1 () 20 (4)1650 4 3 1 ( )( )(5) -1(2267) 2 6 5 (4) 2(3.3)0(34.9) 4 (10)(13) 4(2)
3、 5(13) 1 1 () () (2)6(4.25) 3 9 1 () 4 (16)1650 8 1 1 ( )( )(2) 1(2829) 6 2 5 (20) 7(8.1)0(10.4) 6 (10)(6) 5(6) 2(8) 1 1 () () (9)2(2) 7 2 1 () 12 (4)165 4 5 1 ( )( )(2) 0(2566) 4 8 17 (10) 0.5(6.2)0(98) 16 (4)(16) 9(20) 6(9) 1 1 () () (10)16(5) 6 6 1 () 8 (20)20.125 3 1 4 ( )( )(8) -1(1960) 5 3 3 (
4、8) 6(1.4)0(27.6) 2 (3)(3) 2(18) 2(10) 1 1 () () (3)14(0.5) 2 6 1 () 16 (16)2125 6 8 1 ( )( )(7) 0(2987) 7 4 13 (14) 4(8.7)0(16.7) 12 (7)(16) 8(1) 6(5) 1 1 () () (3)14(4) 6 2 1 () 4 (12)1625 3 1 9 ( )( )(5) 0(1811) 8 8 1 (4) 20(9.5)0(32.6) 2 (1)(3) 7(13) 8.5(12) 1 1 () () (1)6(2.75) 3 2 1 () 10 (12)6
5、12.5 5 1 4 ( )( )(10) 1(1266) 8 3 5 (18) 6.5(9.9)0(11.7) 6 (5)(12) 8(1) 7(16) 1 1 () () (7)14(1.75) 7 6 1 () 14 (12)105 6 4 6 ( )( )(10) 0(1530) 3 5 1 (10) 19.5(3.2)0(37.3) 16 (3)(20) 10(7) 7(17) 1 1 () () (6)14(4) 8 2 1 () 6 (12)200.125 2 1 5 ( )( )(7) 1(1980) 8 4 1 (18) 12.5(8.3)0(88.7) 20 (6)(9)
6、6(3) 0.5(16) 1 1 () () (9)18(3) 4 7 1 () 10 (12)20.05 4 1 7 ( )( )(2) -1(2677) 5 6 1 (18) 12.5(4.8)0(61.6) 18 (3)(11) 5(18) 9(7) 1 1 () () (5)4(0.75) 6 8 1 () 20 (8)8250 3 1 1 ( )( )(7) -1(2317) 2 8 11 (6) 6.5(1.9)0(91.1) 12 (4)(14) 1(20) 0.5(9) 1 1 () () (4)8(2) 3 5 1 () 8 (20)20125 7 5 4 ( )( )(5)
7、 -1(2703) 4 3 1 (8) 19(8.5)0(80.6) 6 (3)(6) 1(11) 9(18) 1 1 () () (8)18(0.75) 3 8 1 () 14 (8)1025 8 8 1 ( )( )(3) 0(1538) 7 4 1 (4) 3.5(4.1)0(31.8) 14 (9)(17) 6(9) 7(1) 1 1 () () (1)8(4) 6 9 1 () 6 (20)20250 2 1 1 ( )( )(2) -1(2265) 6 4 1 (8) 10(1.3)0(14) 12 (2)(16) 5(6) 8(6) 1 1 () () (2)18(0.25) 4 2 1 () 6 (4)180.05 8 6 5 ( )( )(5) -1(1268) 5 4 13 (10) 9(2)0(66.4) 14 (2)(9) 3(2) 2.5(18) 1 1 () () (5)2(3.75) 5 6 1 () 18 (16)625 7 1 7 ( )( )(10) 1(2380) 5 6 1 (4) 2.5(0.6)0(22) 14
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