有理数加减混合运算习题库10.docx

1、有理数加减混合运算习题库103.594(51)47(2)83(98)30(50)20(0.1) 7 8() 5 5 1 6 2 () 7 7 7816.5 7 6 () 5 5 1 2 3 51 1()2 28(2.1)(7)13(18)(70)1.69.7(57)7(64)8.5(0.1)0.8(5)30(0.4) 3 3() 2 2 1 4 1() 7 7 7 21.55.5 7 8 () 5 5 2 2 5 33 1()2 225(20)(1.7)1(51)(9.1)4594(71)93(5.6)6.3(0.5)0.1(20)6(50) 2 2() 3 3 1 2 2 () 5 5 5

2、15.58.5 1 3 () 2 2 1 2 3 51 9()5 514(9.9)(19)0.3(33)(2.5)8284(76)92(8.3)2.1(5.9)30(50)0.6(0.3) 3 1() 2 2 1 2 1 () 3 3 3 241.5 8 7 () 5 5 2 3 3 51 2()3 387(41)(55)47(6)(0.5)642.2(7.4)8.5(0.5)4.4(37)6(0.9)0.2(50) 9 2() 5 5 1 2 2 () 7 7 7 619.5 2 5 () 3 3 2 1 5 33 1()2 278(8.4)(6.8)47(87)(9.5)613.9(0.1

3、)5(8.6)7.7(3.8)0.5(40)60(60) 5 4 () 3 3 4 4 5() 7 7 7 412.5 1 2() 3 3 1 1 2 24 1()5 593(61)(98)3.1(2)(16)8711(21)4(43)37(1.1)60(0.3)0.1(3) 2 7 () 5 5 5 1 1 () 7 7 71915.5 5 4() 3 3 2 2 3 34 2()3 32.2(97)(35)32(66)(1.9)969.9(50)6.7(5)9(0.1)9(90)80(4) 4 2 () 3 3 1 1 1 () 2 2 21720.5 7 8() 5 5 1 1 2 33

4、 3()2 20.3(3.9)(6.8)63(6)(5.2)1.682(0.2)80(5.6)9.7(33)4(0.8)8(80) 1 3() 2 2 1 1 1 () 2 2 22413.5 1 8 () 5 5 2 1 3 39 9()5 578(0.5)(3.3)4.6(8)(11)8063(7.2)2.7(0.2)1.5(22)30(7)8(8) 3 3() 2 2 2 6 3 () 7 7 7 4.50.5 1 5() 3 3 4 1 5 53 1()2 20.6(0.5)(52)57(54)(8.6)1.67.9(5.1)0.7(3)6.7(69)30(50)6(0.2) 2 5

5、() 3 3 1 5 5 () 7 7 7 815 7 4() 5 5 1 3 2 52 1()3 39.1(82)(3.2)1.1(70)(60)7.59.8(73)9.9(99)50(5.7)0.9(0.3)4(40) 4 7 () 5 5 4 2 4 () 5 5 5 6.513.5 3 1() 2 2 1 2 3 35 5()3 30.1(6)(1.3)49(62)(59)8.214(94)2.5(16)89(1.7)9(20)5(10) 2 2 () 3 3 4 1 4 () 5 5 5256 7 8() 5 5 4 4 5 53 3()2 20.6(1.4)(7.7)60(77)(

6、89)7.68.1(8.1)2(9)14(4)20(3)0.4(0.3) 3 3() 2 2 6 3 2() 7 7 7 24.56.5 1 1() 3 3 1 4 2 51 1()2 298(14)(6.4)93(9.4)(8.6)9.271(94)3(20)6.6(33)5(0.3)60(9) 5 1 () 3 3 2 4 2 () 5 5 5 4.55 4 2() 5 5 3 1 5 21 6()5 520(36)(36)15(8.2)(62)531.2(41)6.3(8.5)69(40)8(0.2)9(7) 1 4 () 3 3 1 1 1 () 3 3 3 96 9 1() 5 5

7、1 1 3 34 5()3 353(2.6)(85)73(64)(0.6)6.687(94)66(5.7)7.6(6.6)0.4(40)3(70) 4 2 () 5 5 1 1 2 () 3 3 313.514.5 1 4() 3 3 1 1 2 34 2()3 36.1(15)(47)46(0.8)(7)659(6)92(4)0.4(14)0.9(8)0.3(7) 1 1 () 2 2 3 4 5() 7 7 747.5 7 8 () 5 5 2 3 5 54 5()3 33.3(30)(2.8)63(81)(6.8)0.725(6.1)99(3.1)45(39)40(0.7)90(0.2)

8、 1 1 () 3 3 1 1 1() 2 2 2 21.51 2 6() 5 5 1 4 5 57 6()5 517(33)(75)9.2(8.5)(4.3)2180(15)6.5(0.5)81(22)0.8(60)0.1(80) 1 1 () 2 2 4 4 2() 7 7 7 95 1 3 () 2 2 1 1 2 23 1()2 227(6.3)(69)17(73)(0.4)9450(0.3)40(0.3)9.2(2)2(10)0.8(80) 5 5() 3 3 4 3 4 () 5 5 5178 9 2() 5 5 1 2 2 33 1()2 23.3(56)(4.5)4.7(9.4

9、)(82)110.3(7.5)62(31)4.3(0.1)3(4)1(7) 6 3 () 5 5 4 1 3 () 5 5 5103 1 3() 2 2 4 4 5 51 1()2 239(7.2)(12)45(63)(60)2.239(8.3)7.1(3.2)1.5(40)0.6(5)4(90) 1 4() 5 5 2 1 1 () 3 3 3 14 6 8 () 5 5 1 1 3 24 2()3 33.8(29)(4.7)16(74)(9.1)7014(0.5)3.8(0.1)72(9.8)7(1)0.4(10) 1 1() 2 2 2 4 2 () 5 5 518.52 7 2() 5

10、 5 2 1 3 21 4()3 30.9(54)(34)95(75)(6.2)1446(9.4)7(30)1.9(12)0.1(6)30(40) 2 3 () 5 5 3 2 1() 5 5 516.524 2 9() 5 5 1 1 5 37 3()5 56(7.3)(1.2)4.4(8)(53)397.4(6.2)92(0.6)95(58)0.2(0.5)90(0.3) 3 1 () 2 2 6 5 6() 7 7 7 9.518 6 2() 5 5 1 4 3 51 3()5 534(70)(67)76(9.8)(99)8.721(9)34(6.1)56(70)10(8)0.7(0.4

11、) 4 5() 3 3 2 2 1 () 3 3 3 22.55.5 3 1() 2 2 4 2 5 31 8()5 592(13)(9.6)6.7(37)(92)554.9(6.7)88(2.9)11(6.5)0.9(1)4(0.8) 5 1() 3 3 5 2 6 () 7 7 73.523.5 8 1 () 5 5 3 4 5 52 1()3 30.5(62)(1)9.8(5.3)(13)2.958(3.1)76(88)1(0.9)0.7(5)0.7(0.6) 7 1 () 5 5 2 1 1 () 3 3 3 6.53 2 2 () 3 3 1 4 2 51 1()2 212(1.7)

12、(18)73(6.7)(7)7.835(2.2)1.4(4.9)70(58)5(5)30(4) 3 7() 5 5 1 4 3 () 5 5 5 17.516.5 3 3() 2 2 1 2 5 37 9()5 539(7.2)(2.4)88(52)(14)0.684(29)60(87)2.6(4.6)7(7)0.2(0.4) 1 1() 2 2 1 1 1() 2 2 2 523.5 1 1() 2 2 4 1 5 53 3()2 275(97)(86)18(88)(69)751.6(3.9)77(82)17(9.3)2(0.8)60(80) 2 4 () 3 3 1 1 1() 2 2 2

13、 20.524 6 6() 5 5 1 3 2 51 1()2 28.9(54)(11)9.1(35)(69)231.5(9.1)1.1(92)21(7.2)0.8(5)50(4) 4 1() 5 5 1 1 1 () 2 2 26.515.5 2 1 () 3 3 1 1 5 22 6()5 53.2(85)(9.2)84(1.2)(4.5)5.12.7(7.2)6.1(2.6)81(3.5)9(4)7(0.8) 5 2() 3 3 4 4 4 () 5 5 59.518.5 3 1() 2 2 1 1 2 33 3()2 26(88)(56)6.9(9.7)(58)658.5(5.2)57

14、(26)1.4(8.8)0.8(0.5)8(9) 1 1() 2 2 1 1 1 () 3 3 3120.5 2 5() 3 3 3 1 5 31 3()2 26.1(4.9)(6.6)43(2.9)(25)6236(88)8.7(2.6)40(1)7(50)0.4(10) 1 2() 3 3 2 3 4() 5 5 51911 3 3() 2 2 1 2 3 31 1()2 224(0.1)(4.2)4.1(64)(81)1173(5.5)38(90)86(6.4)0.1(70)90(30) 3 1() 2 2 2 2 1 () 3 3 32212.5 1 1() 3 3 2 1 3 24

15、4()3 335(2.5)(67)8(95)(5.9)1.856(9)1.6(50)94(9.4)0.4(0.9)0.9(0.8) 4 1 () 3 3 1 1 1 () 2 2 2 2518.5 1 3() 2 2 2 3 5 51 3()5 56.8(4.5)(9.7)90(57)(7.6)1.447(8.7)15(55)77(14)40(80)90(1) 1 4() 3 3 4 6 5 () 7 7 721.517.5 1 3() 2 2 3 1 5 25 1()3 31(18)(35)47(1.4)(9.7)249.3(45)6.5(3.7)44(18)1(20)0.1(0.6) 8

16、6 () 5 5 1 1 1 () 3 3 317.515.5 1 1() 2 2 1 1 3 33 3()2 20.7(7.6)(7.2)58(73)(1)2.930(2)2.6(46)17(60)0.8(9)0.2(4) 5 5() 3 3 2 2 1() 3 3 3 1118.5 3 6 () 5 5 2 1 5 33 3()2 277(5)(38)3.6(6.7)(24)2.16.6(9.6)2.7(30)53(3)10(80)50(8) 1 1() 2 2 1 1 1() 2 2 2172 5 1 () 3 3 2 2 5 31 3()5 574(9.9)(59)0.8(0.6)(2)5351(98)92(52)86(6.1)60(60)6(1) 9 1 () 5 5 1 1 1 () 2 2 285 3 3 () 2 2 1 4 3 58 2()5 522(0.1)(2.9)9.3(2.7)(1.5)2.72.4(7.7)62(6.5)8.6(8)0.2(0.1)0.7(0.6) 6 1() 5 5 4 1 4 () 5 5 59.54 1 3 () 2 2 4 3 5 53 1()2 253(15)(5)81(81)(4.1)7.96.5(32)64(7.2)7.3(40)3