(1)5+6+1- & + +6 7 6 7(2)3- (-2)(3)(4)(5)(6)(8)(9)分数加减法简便运算专项练习1-1):二：3314+ +174711 3 3 41211(10)(11)(12)(13)(14)136题（有答案）999+9遇+走+1.99 9 3L=+_+3_+_LL+L 3 4 5 7 8 20 21 24 54. 3+47 11 7 11(15)(16)(17)(18)0.4+”-竺(19)2121r 7 3+(21)(31)4-17512(32)1 (22)19 195+91338171 117(23)(24)(35)(25)三(26)(36)(27)(37)9 5 _3_21+7-14(28)(38)2 5T+T3 9(40)(41)(42)(43)(44)(45)(46)(47)(49)0.58+11 一+1.12+138Is(50)4li(51)篁-阜21 9 2111_ 516 16llff马噜_+LR6 8 6 8(48)6- Yj- -(52)(53)一心11-3+3.2+14 5 14 5(54)(55)(56)(57)(58)27 2717 1+-. ： 417 3+-：一. ； 42-L+1+SJ9 4 4 3(69)（H）(70)一（聂11111-2 4 8 16 323 _ 811 115,23,59,119, 209,83(71)(72)(73)(74)(75)(76)(77)-+-8 7 84 J2 +15 9 15 9舟;沙以玲弓V脸鼎(59)(60)(61)(62)(63)(64)(65)(66)(67)(68)(88)1 + 3.1+36 5 6 5一一+_+工 (79)(89)?(81)1+ 1+ +18 15 18 15(90)(必-11)-(也这)9449(90) (2-11) - (必),9449(82)I吟4号(91)19.76 (83)19I?久旦S 17(92)?(84)(93)2.5M.25M2,(85)(94)(86)2 2 13 7+311 3_ J+ 一14 5 14 5(96)(105-(106) 51.27 -8.66- 1.34(97)(107) 32.5+ (0.0550)(108)H44(100)(101)(99)ITT16X (1000+工,1&(109)（11。）居T肃（111）H-(A-41211 12(102)4 (112)嘏-(103)11+132一+15+17612+19+212030142(113)(114)16213，-+1+8 175_+1 _：+3-+2-1+6-+4-1+-,2 5 8 S 5 3 85_ 3+4_ 8- +- 9 11 9 11(苗+苗-1 1.375 -告XX+JJ5 45 117 221-+-+-+-+-_+8 16 32(125 )(126) 5-$ -在, Ft 7(128 )(129 )29,2T 41,85,107, 17711 11(130)掂-专(131)8|_UL& 8十17 15 17 15(132 )-512(133 ) 5-7(134 )10k2-7：- (10-6)3,(115)(116)(117)(118)(119)(120)(121)(122 )(123 )(124 )_+_+_13 16 13(136)7 +何区+图 + + 10 8 10 8参考答案:(1)士+_+-L 一6 7 6 7(8 ) 12_2_711=1+0,(2)-3. 3+2 =+ , 4 34-2(3)=(4%121112111五(9)rrs-7,=0.(10) 1心2+30.2, 75 7=7+9 ,=16(4) 1-(2=117+31- (0.2+三)=15 - (0.2+2.8),=15 3,(5)：；+：+ + + -4 7 4 ra+=12(11) 99占9金+Uj9 9 9 3=(999+99+9)=(1000 - 1)+(100-1)+(10-1)+ ef)1=1+1 ,=1110-3+3, =1110二2；(6)U+小 AA15 2 S 15(12 )13 2 5 7 9 5 7 3 20 21 11 14+15 151空叩+、3 4 5 7 0 5 4、4 1. z12l7 A）+ （-）+（三二）+（二厂）=1+0, =1或+骷）+妙）+器+号强8 10二5；M) +X2) +(1),8 8 10旦104(13)7 111 7 113 8+11 11二1t，n+n) 1817二+1=1+,IT 17券1,(20)工+二国4 10 5=1上；(15) 2-臣造丝20 20 2。=2-(21) 1 - JL -1119 19=2 - 1, =1=1 -(),139.0.4+=1 1二0；(22)至-6=0(16)二（箪=2+3,1112(17) +4 3 4 3+(18)5 _ 16五五=4-(5 1G+)二3；14(19)乌1714 2 3IT 3 17(23)+JL+-JL8 17 8 1T(=1+1 ,二2；-IT 1T18),(24)17(25) 7-(二7襦=6-616.18 4(26) -1+L -12 4 63 1=-4 6（27）二-（二二）,-211= 1+,44=11.=1(29) 3 =3 4=（3-4-（宗）(34)2,2 10J.g 10(35) _1+!2+16 S 6 S=1+1 ,=2.(36)6+2+1+13十+7 15 7 15二2；,22 1 =2 : 1 ,+=1+1 ,二2；(31)17 12=317 12=360204 204=2179+#里+3 -(32) 1 一9 13 9 13-1),=5 丁1,(33)二,(37)iWV21),+ 3i 1421才5942),10(39)+1 Lg（同丁 V1,=1 ；9(40 ) 0.58+上+1.12+-1313=11。=(0.58+1.12) + (=1.7+1 ,=2.7;(41)=11 一=1+1 , =2.(48) 6- -1L=10.=6-(卫叁)11 11(42)21 9 21=1 =6 - 1, 二5；+3(43)=3.5 3.5 ,16 16 ()=7.(50)至-12 -二)=3.5 1,=2.5H+5+