1、 眞学堂:书写知识,增长智慧第 1 页 共 12 页有理数加法运算专项练习 111 题(有答案)1 +( )+ +( )+( ) 2. (23)+(12)3. 1+(2)+|3|545.(0.9)+(+4.4)+(8.1)+(+5.6) 6. 7 (2 )+(2 )+(3 )8 (13)+(+12)+(7)+(+38) 9. +( )+ +( ) 10 115.6+(0.9)+4.4+(8.1)+(0.1)12 +(2.16) +(3.84)+(0.25+ 13 (2.6)+(3.4)+(+2.3)+1.5+(2.3) 14 (41)+(+56)+(21)+(31) ;15 (4)+(7) ;
2、16. 1.3+(2.7) ;眞学堂:书写知识,增长智慧!第 2 页 共 12 页17. 67+(73) ;18. (+3.8)+(4.9) 19. 0.8+9.8+99.8+999.8+9999.820214 +(3 )+(+6 )+(2 )2223 24 + + + 25 264 +2 27. (1.5)+2.5+(7.5)+4.5+(1)28 (7)+10+(3)+6+(6)29. (+1)+(2)+(+3)+(4)+(+9)+(-10) ;30. 5 +(1 )+2 +(6 ) ;眞学堂:书写知识,增长智慧!第 3 页 共 12 页31. 0.65+(1.3)+(0.7)+( ) 32
3、. 3327+(32)+(8)+7234. (17)+23+(53)+(+36)35. 0+(5 )36. (0.64)(+0.64)37. (24)+(4)38 (0.6)+1.7+(+0.6)+(1.7)+(9)39. (3)+(+ ) ;40. (+2.7)+(1 ) ;41. 9+(6.82)+3.78+(3.18)+(3.78) ;42.(0.5)+ + +(+9.75) 4344 (14)+(+19)+(6)+(+31)+(19)45 (+18)+(32)+(16)+(+26)46 眞学堂:书写知识,增长智慧!第 4 页 共 12 页47. (1)+2+(3)+4+(5)+(99)
4、+10048. |45|+(71)+|5|+(9)49. (+ )+(4)+(+ )+(+4)50.(+4 )+( )+(3.2)+( )51. (103)+(+1 )+(97)+(+100)+(1)52. ;53. (2.2)+3.8;54. +(5 ) ;55. (5 )+0;56. (+2 )+(2.2) ;57. ( )+(+0.8) ;58. (6)+8+(4)+12;59. ;60. 0.36+(7.4)+0.3+(0.6)+0.64;61. 9+(7)+10+(3)+(9) 6212+(4)+(16)+8眞学堂:书写知识,增长智慧!第 5 页 共 12 页63. ;64. ;65
5、. 66 67. +( ) ;68. ( )+( ) ;69. ( )+ ;70. ( )+( ) ;71. +(2 ) ;72. ( )+(1 ) ;73. (1 )+(2 ) ;74. 3 +(1 ) ;75. (8)+10+2+(1) ;76. 5+(6)+3+9+(4)+(7) ;77. (0.8)+1.2+(0.7)+(2.1)+0.8+3.5;78. +( )+ +( )+( ) ;79 ( )+ +|0.75|+( )+ 眞学堂:书写知识,增长智慧!第 6 页 共 12 页80 (+26)+(14)+(16)+(+8) 81 82. (+7)+(6)+(7)+(+6) ;83.
6、(2.6)+(3.4)+(+2.3)+1.52.3;84. ;85. (+9)+(7)+(+10)+(3)+(9) ;86. (26.54)+(6.4)+(18.54)+6.4;87. (3.75)+2.85+(1 ) +3.15+(2.5) 88. (3)+40+(32)+(8)89. 43+(77)+27+(43)90. 18+(16)+(23)+1691. (3)+(+7)+4+3+(5)+(4)92. 5.6+(0.9)+4.4+(8.1)93. (2 )+17 +(+12 )+(4 )94.(30.1)+12.5+30.1+(+ )+( )+(7.25)眞学堂:书写知识,增长智慧!第
7、 7 页 共 12 页95.( )+( )+ +( ) 96.97. 98. 0.75+99. (17)+59+(37) ;100. (18.65)+(6.15)+18.15+6.15;101. (4 )+(3 )+6 +(2 ) ;102.(0.5)+3 +2.75+(5 ) 103.(1.9)+3.6+(10.1)+1.4;104. (7)+(+11)+(13)+9;105. 33+ +(2.16)+9 +(3 ) ;106. 49 +(78.21)+27 +(21.79) 107. 1+(2)+3+(4)+5+2001+(2002)+2003+(2004)108. 1+(2)+(3)+4
8、+5+(6)+(7)+8+2001+(2002)+(2003)+2004109已知|a|=1,|b|=2,|c|=3,且 abc,求 a+b+c 的值110综合图形计算:眞学堂:书写知识,增长智慧!第 8 页 共 12 页110. 111|m|=2,|n|=3,求 m+n 的值参考答案:1+( )+ +( )+( )= + = 1= 2. (23)+(12)=35;3. 1+(2)+|3|5=12+35=3;4原式=( )+( )+(0.75)+( )=11=25.原式=(+4.4)+(+5.6)+(8.1)+(0.9)=109=16. = + + + = + + = + = 7 原式=(2
9、+2 +3 )=7 =88原式=(13)+(7)+(+12)+(+38)=20+50=309. +( )+ +( )= +( )+( )+ =( )+( + )= +( )=10 = = =11原式=5.60.9+4.48.10.1=(5.6+4.4)+(0.98.10.1)=109.1=0.912原式= = = = 13 (2.6)+(3.4)+(+2.3)+1.5+(2.3)=(2.63.4)+(2.32.3)+1.5=6+1.5=4.514 (41)+(+56)+(21)+(31)=(41)+(21)+(31)+(+56)=(41+21+31)+(+56)=93+(+56)=(9356)
10、=37;15. (4)+(7)=(4+7)=11;16. 1.3+(2.7)=(2.71.3)=1.4;眞学堂:书写知识,增长智慧!第 9 页 共 12 页17. 67+(73)=(7367)=6;18. (+3.8)+(4.9)=(4.93.8)=1.1 19. 0.8+9.8+99.8+999.8+9999.8原式=(10.2)+(100.2)+(100000.2)=(1+10+10000)(0.2+0.2+0.2)=111111=1111020 =( )+(4 )= 5=214 +(3 )+(+6 )+(2 )=4 +(3 )+6 +(2 )= 22 ,=1+(3+ )+(5+ )+(7
11、+ )+(9+ )+(11+ )+(13+ )+(15+ )+(17+ ) ,=(1+3+5+7+9+11+13+15+17)+( + + + + + + + )=81+ =8123原式=(1 )+( )+( )+( )=1 = 24原式=1 + + =1 =25原式=2.3+1.7+ + +6+3=4+7+9=2026. 原式=(4 2 )=227. 原式=1.57.51+2.5+4.5=10+7=328原式=73+10+66=10+10+0=0+0=029. (+1)+(2)+(+3)+(4)+(+9)+(10)=12+34+56+910=(1)5=5;30. 5 +(1 )+2 +(6
12、)=5 +2 1 6 =88=0;31. 0.65+(1.3)+(0.7)+( )=0.651.30.70.65=232.原式= + =( )= 3327+(32)+(8)+72=2740+72=534. (17)+23+(53)+(+36)=(17)+(53)+23+(+36)=70+59=11 35. 0+(5 )=5 ;36. (0.64)(+0.64)=0.640.64=1.28;37. (24)+(4)=-2838原式=(0.6)+(+0.6)+1.7+(1.7)+(9)=939. 原式=3+ = ;40. 原式=2.71.4=1.3;41. 原式=96.82+3.783.183.7
13、8=9(6.82+3.18)+(3.783.78)=910=1;42. 原式=0.5+2.259.5+9.75=0.59.5+(2.25+9.75)=10+12=2眞学堂:书写知识,增长智慧!第 10 页 共 12 页43 =(2.50.5)+( +1 )=3+2=144 (14)+(+19)+(6)+(+31)+(19)=(14)+(6)+(+31)+(+19)+(19)=20+31+0=1145. 原式=(+18)+(+26)+(32)+(16)=44+(48)=446 =2 +5 +(3 )+(4 )=88=047. (1)+2+(3)+4+(5)+(99)+100=150=50;48.
14、 |45|+(71)+|5|+(9)=45+(71)+5+(9)=45+5+71+(9)=5080=3049.原式=(+ )+(+ )+(4)+(+4)=1+0=1;50. 原式=(+4 )+(3.2)+( )+( )=1+(1)=0;51. 原式=(103)+(97)+(+1 )+(1 )+100=200+ +100= 52. = = ;53. (2.2)+3.8=2.2+3.8=1.6;54. +(5 )= 5 = = ;55. (5 )+0=5 +0= ;56.(+2 )+(2.2)=2.22.2=0;57. ( )+(+0.8)= + = + = = ;58. (6)+8+(4)+12
15、=(6)+(4)+(8+12)=10+20=10;59. =( )+( )=2+(2)=0;60. 0.36+(7.4)+0.3+(0.6)+0.64=(0.36+0.64)+(7.40.6)+0.3=18+0.3=6.7;61. 9+(7)+10+(3)+(9)=9+(9)+10+(73)=0+0=062原式=(12+8)+(4)+(16)=2020=063. =(3 +5 )+(2 )+(8 )=911=2;64. =(0.5)+(5 )+(3 +2.75)=6+6=0;65. =1.5+ +0=066.原式= +( )+( )+( )+ =01+ =67. 原式= = ;68. 原式= =1;69. 原式= = ;