1、初一数学上册有理数混合运算题精选40(4)(14) 7(14) 1(16) 1 1 () () (1)10(0.75) 7 4 1 () 12 (8)180.25 2 1 7 ( )( )(5) -1(1435) 8 6 15 (12) 5.5(8.6)0(49.6) 14 (5)(8) 6(19) 7.5(9) 1 1 () () (10)12(4.5) 2 4 1 () 2 (16)101.25 3 1 4 ( )( )(10) 0(1056) 4 3 1 (2) 12(2.6)0(24) 14 (5)(7) 10(14) 9(12) 1 1 () () (3)10(3) 6 2 1 ()
2、 10 (4)100.25 4 3 1 ( )( )(2) -1(2942) 2 8 11 (14) 8(3.4)0(39.2) 10 (5)(11) 1(16) 6(11) 1 1 () () (9)18(0.75) 4 3 1 () 8 (20)250 6 1 9 ( )( )(4) -1(2474) 8 8 7 (12) 14.5(0.3)0(84.5) 6 (3)(5) 10(1) 8.5(14) 1 1 () () (3)20(1.25) 8 5 1 () 4 (8)140.5 7 7 5 ( )( )(3) 0(2728) 6 4 1 (10) 17(1)0(64.1) 2 (7)
3、(6) 9(6) 9.5(6) 1 1 () () (5)8(3.25) 2 2 1 () 2 (12)2250 3 3 1 ( )( )(9) -1(2879) 2 3 1 (14) 5(6.5)0(62) 4 (5)(4) 2(10) 1(10) 1 1 () () (9)20(0.25) 4 7 1 () 6 (20)18250 4 1 1 ( )( )(6) -1(1217) 2 6 1 (14) 2.5(9.9)0(32.4) 4 (6)(10) 1(12) 6.5(2) 1 1 () () (4)4(5) 3 6 1 () 4 (20)14125 3 1 1 ( )( )(8) 1
4、(2055) 6 7 3 (16) 13(7.1)0(95) 2 (9)(14) 1(2) 4.5(4) 1 1 () () (7)18(1) 7 8 1 () 16 (8)612.5 3 9 4 ( )( )(2) 0(1199) 8 3 1 (16) 2.5(0.6)0(19.1) 16 (10)(15) 6(12) 6(10) 1 1 () () (4)14(2.5) 3 9 1 () 8 (20)202.5 2 3 1 ( )( )(6) -1(1543) 2 5 1 (20) 16(1.3)0(47) 18 (8)(16) 10(11) 7(14) 1 1 () () (7)8(1)
5、 7 7 1 () 8 (8)1250 3 1 1 ( )( )(3) 0(2404) 4 3 1 (6) 19(7.9)0(64.8) 6 (7)(3) 9(10) 2.5(13) 1 1 () () (5)4(2.75) 2 3 1 () 2 (12)212.5 5 3 3 ( )( )(4) 0(1470) 2 2 17 (8) 12.5(6.8)0(92.3) 18 (2)(11) 6(10) 10(10) 1 1 () () (3)14(0.25) 2 5 1 () 16 (12)60.5 5 1 1 ( )( )(8) -1(1335) 3 2 1 (10) 6.5(7.7)0(8
6、1.5) 2 (10)(10) 1(16) 1(2) 1 1 () () (10)8(4.25) 8 7 1 () 4 (4)2050 8 3 8 ( )( )(2) 1(2244) 2 7 5 (12) 3.5(1.2)0(30.4) 6 (9)(2) 2(19) 8(9) 1 1 () () (8)18(3.25) 6 5 1 () 4 (20)1825 7 4 7 ( )( )(5) 1(2942) 3 6 7 (4) 19.5(5.7)0(16.7) 8 (10)(20) 9(13) 4(7) 1 1 () () (7)16(4.5) 4 8 1 () 10 (12)825 6 1 1 ( )( )(4) -1(1528) 3 5 15 (18) 9.5(2)0(82.9) 16 (5)(18) 3(10) 0.5(5) 1 1 () () (1)20(0.25) 7 4 1 () 16 (12)1650 6 1 1 ( )( )(8) 0(1458) 6 6 1 (12) 9.5(8.3)0(90.3) 8 (5)(7) 3(5) 4(20) 1 1 () () (6)12(3.75) 2 6 1 () 6 (12)125 4 4 8 ( )( )(3) 0(1304) 3 7 3 (6) 1.5(9.9)0(28) 4 (10)(
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