20以内进位加法退位减法

1、(1) 18 - 8 =(2) 19 - 9 =(3) 17 - 9 =(4) 19 - 9 =(5) 14 - 6 =(6) 17 - 8 =(7) 11 - 1 =(8) 12 - 7 =(9) 17 - 9 =(10) 13 - 3 = f(11) 14 - 5 = f(12) 11 - 8 = f(13) 18 - 8 = f(14) 17 - 8 = f(15) 18 - 8 = f(16) 13 - 3 = f(17) 15 - 7 = f(18) 16 - 6 = f(19) 13 - 7 = f(20) 12 - 9 = f(21) 14 - 4 =(22) 14 - 8 =(

2、23) 14 - 6 =(24) 12 - 7 =(25) 17 - 7 =(26) 15 - 6 =(27) 11 - 6 =(28) 11 - 7 =(29) 17 - 9 =(30) 13 - 3 =(31) 19 - 9 =(32) 13 - 8 =(33) 12 - 4 =(34) 16 - 9 =(35) 17 - 7 =(36) 15 - 5 =(37) 17 - 8 =(38) 19 - 9 =(39) 13 - 6 =(40) 14-5 =(41) 19 - 9 =匸(42) 14 - 5 =(43) 19-9 =(44) 17-9 =(45) 15-8 =(46) 15-6

3、 =(47) 16-6 =(48) 11-9 =(49) 11 - 5 =匸(50) 14 - 7 =(51) 13 - 8 =(52) 16 -9 =(53) 19 -9 =(54) 18 -8 =(55) 14 -7 =(56) 17 -7 =(57) 11 - 3 =匸(58) 14 -6 =(59) 15 -6 =(60) 18 -8 =(1) 5 + 7 =(2) 9 + 3 = 一(3) 4 + 9 =-(4) 5 + 7 =-(5) 9 + 4 =-(6) 8 + 3 =(7) 5 + 8 =-(8) 9 + 1 =(9) 5 + 7 =-(10) 5 + 7 =(11) 9 +

4、 4 =(12) 2 + 8 =(13) 1 + 9 =(14) 5 + 5 =(15) 3 + 9 =(16) 5 + 9 =(17) 5 + 5 =(18) 4 + 8 =(19) 3 + 7 =(20) 1 + 9 =(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)(39)(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55)(56)(57)(58)(59)(1) 7 + 6 =(21) 19 + 1 =(22) 14 + 4

5、=(3)12 + 3 =(4)6 + 7 =(5)10 + 6 =(6)15 + 5 =2 + 12 =(8)14 + 2 =(9)16 + 3 =(2) 17 + 1 =(23)(24)(25)(26)(27)(28)(29)17 + 1 =9 + 10 =19 + 1 =19 + 1 =5 + 12 =(10) 5 + 14 =(11) 15 + 1 =(30)(31)13 + 7 =(12) 7 + 11 =(13) 11 + 9 =(14) 18 + 2 =(15) 10 + 2 =(16) 11 + 9 =(32)(33)(34)(35)(36)4 + 13 =17 + 1 =12

6、+ 5 =(17) 6 + 2 =(18) 1 + 11 =(19) 9 + 6 =(20) 10 + 2 =(37)(38)(39)(40)12 + 5 =5 + 10 =15 + 4 =19 + 1 =(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55)(56)(57)(58)(59)(60)15 + 3 =匸13 + 5 =5 + 12 =5 + 15 =16 + 2 =18 + 1 =3 + 3 =厂16 + 1 =12 + 8 =匸2 + 11 =9 + 2 =厂4 + 13 =8 + 8 =厂6 + 9 =厂3 +

7、 5 =厂16 + 2 =16 + 2 =匚19 + 1 =9 + 5 = I_(1) 17 - 8 = r(2) 13 - 8 =(3) 15 - 5 =(4) 13 - 4 =(5) 15 - 6 =匚(6) 16 - 7 =(7) 14 - 7 =(8) 16 - 8 =(9) 16 - 9 =匸(10) 18-9 =(11) 15 -9 =(12) 12 -6 =(13) 12 -3 =(14) 19 -9 =(15) 17 -9 =(16) 17 -9 =(18)16 -9 =(19)12 -6 =(20)18 -9 =(17) 17 -9 =(21) 16 -9 =(22) 16

8、- 8 =(23) 15 - 8 =(24) 14 -6 =(25) 17 - 8 =(26) 19 - 9 =(27) 16 -6 =(28) 16 - 8 =(29) 15 -9 =(30) 18 - 9 =(31) 13 - 5 =(32) 13 - 6 =(33) 15 - 9 =(34) 18 - 9 =(35) 16 - 7 =(36) 15 - 9 =(37) 19 - 9 =(38) 17 - 9 =(39) 15 - 9 =(40) 14 - 8 =(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55)(56)

9、(57)(58)(59)(60)17 - 8 =12 - 5 =14 - 4 =16 - 6 =13 - 7 =16 - 8 =15 - 5 =16 - 6 =16 - 9 =18 - 8 =13 - 3 =11 - 7 =15 - 9 =11 - 2 =13 - 9 =12 - 9 =15 - 6 =11 - 1 =12 - 5 =(1)11 + 6 =(2)7 + 7 =(3)13 + 4 =(4)10 + 8 =(5)9 + 3 =(6)9 + 8 =6 + 9 =(8)8 + 12 =(9)1 + 15 =(10) 3 + 14 =(11) 11 + 8 =(12) 5 + 9 =(1

10、3) 17 + 2 =(14) 16 + 3 =(15) 4 + 7 =(16) 8 + 8 =(17) 7 + 13 =(18) 1 + 10 =(19) 6 + 1 =(20) 17 + 2 =(21)9 +5 =匚(22)6 +5 =匚(23)1 +6 =匚(24)3 +13 =(25)16+ 4 =(26)2 +12 =(27)14+ 3 =(28)10+ 10 =(29)19+ 1 =(30)13+ 3 =(31)17+ 2 =(32)5 +12 =(33)13+ 7 =(34)16+ 1 =(35) 9 + 8 =(36) 15 + 1 =(37) 9 + 10 =(38) 16

11、+ 1 =(39) 12 + 1 =(40) 13 + 6 =(41)8 + 6 =匚(42)12 + 7 =(43)7 + 7 =(44)1 + 18 =(45)14 + 2 =(46)1 + 4 =(47)8 + 11 =(48)17 + 1 =(49)7 + 1 =匚(50)18 + 1 =(51)13 + 6 =(52)6 + 7 =匸(53)9 + 3 =(54)11 + 5 =(55)4 + 6 =匸(56)7 + 8 =匸(57)13 + 7 =(58)1 + 17 =(59)14 + 1 =(60)8 + 1 =匸19 -9 =13 -7 = 114 -7 = 114 -7 =

12、 113 -4 =13 -9 = 115 -6 =12 -6 =12 -5 =15-8 =19-9 =19-9 =17-9 =12-6 =12-3 =14-7 =16-7 =12-7 =12-9 =14-4 =(21) 12 -6 =(22) 19-9 =(23) 16 -8 =(24) 18-8 =(25) 11 -3 =(26) 19 -9 =(27) 13 -4 =(28) 14 -9 =(29) 15 -5 =(30) 14 - 8 =(31) 18 - 8 =(32) 14 - 7 =(33) 18 - 9 =(34) 11 -7 =(35) 19 - 9 =(36) 13 -6 =

13、(37) 17 - 8 =(38) 14 - 9 =(39) 16 -6 =(40) 19 -9 =(41) 12 - 3 =匚(42) 12 - 7 =(43) 13 - 5 =(44) 12 - 7 =(45) 16 - 8 =匸(46) 16 - 6 =(47) 13 - 7 =(48) 16 - 9 =(49) 16 - 8 =(50) 仃-9 =(51) 17 - 8 =(53) 19 - 9 =(54) 14 - 7 =(55) 16 - 8 =(56) 12 - 2 =(57) 15 - 9 =(58) 15 - 9 =(59) 12 - 9 =(60) 11 - 1 =(52)

14、 12 - 8 =(1)(2)(3)(4)(5)(6)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(1)13 + 3 =(2)4 + 7 =-(3)17 + 2 = 1(4)19 + 1 =(5)16 + 3 =(6)7 + 3 =(7)6 + 7 =(8)6 + 10 =(9)17 + 2 =(10)6 + 14 =(11)4 + 12 =(12)16 + 3 =(13)18 + 1 =(14)14 + 1 =(15)19 + 1 =(16)10 + 9 =(17)2 + 8 =(18)15 + 5 =(19)10 + 4 =(20)3

15、 + 12 =(21)8 +11 =(22)9 +2 =(23)19+ 1 =(24)5 +8 =(25)3 +3 =(26)13+ 2 =(27)11+ 8 =(28)17+ 2 =(29)17+ 1 =(30)18+ 1 =(31)10+ 10(32)10+ 7 =(33)13+ 3 =(34)14+ 5 =(35)15+ 1 =(36)11+ 7 =(37)14+ 4 =(38)13+ 5 =(39)17+ 3 =(40)10+ 4 =(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55)(56)(57)(58)(59)(

16、60)11 + 5 =14 + 2 =10 + 9 =14 + 4 =1 + 17 =11 + 8 =10 + 4 =13 + 2 =11 + 5 =18 + 1 =12 + 7 =15 + 3 =3 + 12 =16 + 2 =12 + 6 =13 + 6 =15 + 4 =(1)17 -8 =(2)17 -9 =(3)15 -6 =(4)13 -7 =(5)15 -6 =(6)16 -9 =(7)18 -8 =(8)15 -7 =(9)19 -9 =(10)14-7(11)15-7(12)18-8(13)12-9(14)11-9(15)11-1(16)19-9(17)18-9(18)13-

17、8(19)13-8(20)16-9(21) 14 - 9 =(22) 19 - 9 =(23) 14 - 7 =(24) 12 - 6 =(25) 14 - 9 =(26) 16 - 9 =(27) 17 - 7 =(28) 18 - 8 =(29) 14 - 9 =(30) 12 - 7 =(31) 13 - 8 =(32) 19 -9 =(33) 11 -6 =(34) 15 -7 =(35) 15 - 5 =(36) 11 -2 =(37) 17 - 9 =(38) 13 - 4 =(39) 16 -8 =(40) 16 -9 =(41) 12 -4 =(42) 16 - 6 =(43)

18、 12 - 9 =(44) 15 - 5 =(45) 19 - 9 =(46) 仃-8 =(47) 13 - 6 =(48) 13 - 3 =(49) 12 - 6 =(50) 16 - 9 =(51) 16 - 7 =(52) 11 - 6 =(53) 仃-8 =(54) 12 - 6 =(55) 15 - 5 =(56) 18 - 9 =(57) 19 - 9 =(58) 仃-7 =(59) 18 - 9 =(60) 仃-7 =(1) 3 + 13 =匸(2) 17 + 3 =(3) 5 + 11 =(4) 11 + 9 =(5) 15 + 5 =(6) 1 + 7 =(7) 12 + 2

19、 =(8) 9 + 11 =(9) 4 + 5 = (10 ) 12 + 1 =(11) 18 + 1 =(12) 11 +2 =(13) 7 + 12 = (14 ) 7 + 1 = (15 ) 6 + 3 =(16) 14 + 4 = (17 ) 9 + 5 =匚 (18 ) 5 + 14 = (19 ) 7 + 13 =(20) 7 + 1 =(21) 10 + 3 =(22) 3 +10 =(23) 11 +6 =(24) 10 + 3 =(25 ) 13 + 6 =(26) 9 + 6 =(27) 11 + 7 =(28) 3 +10 =(29) 17 + 3 =(30) 9 + 5

20、 =(31) 8 + 11 =(32) 15 + 3 =(33 ) 9 + 8 =(34 ) 8 + 4 =(35 ) 6 + 5 =(36) 8 + 10 =(37) 16 + 1 =(38) 7 + 5 =(39) 18 + 1 =(40 ) 14 + 2 =(41) 11 + 9 = (42 ) 12 + 4 = (43 ) 12 + 8 = (44 ) 10 + 7 = (45 ) 14 + 2 = (46) 14 + 6 = (47 ) 13 + 2 = (48 ) 7 + 2 = (49 ) 4 + 9 = (50 ) 11 + 3 = (51) 9 + 5 = (52 ) 15

21、+ 4 = (53 ) 9 + 11 = (54 ) 9 + 3 = (55 ) 8 + 1 = (56) 15 + 5 = (57 ) 11 + 6 = (58 ) 7 + 10 = (59 ) 3 + 10 = (60 ) 9 + 5 =(1) 14 - 4 =(2) 13 - 4 =(3) 19 - 9 =(4) 17 - 7 =(5) 19 - 9 =(6) 11 - 3 =(7) 12 - 7 =(8) 11 - 4 =(9) 16 - 8 =(10) 16 - 6 = f(11) 16 - 9 = f(12) 13 - 4 = f(13) 11 - 8 = f(14) 11 - 7

22、 = f(15) 13 - 8 = f(16) 14 - 9 = f(17) 13 - 5 = f(18) 14 - 9 = f(19) 19 - 9 = f(20) 12 - 5 = f(21) 11 - 2 =(22) 12 - 9 =(23) 11 - 5 =(24) 19 - 9 =(25) 12 - 4 =(26) 19 - 9 =(27) 15 - 7 =(28) 15 - 9 =(29) 13 - 4 =(30) 13 - 9 =(31) 11 - 3 =(32) 13 - 6 =(33) 16 - 8 =(34) 17 - 9 =(35) 14 - 8 =(36) 13 - 4

23、 =(37) 16 - 8 =(38) 17 - 8 =(39) 15 - 8 =(40) 14 - 9 =(41) 17 -7 =(42) 19 - 9 =(43) 11 - 2 =(44) 14 -7 =(45) 14 - 5 =(46) 11 - 6 =(47) 11 - 8 =(48) 11 - 8 =(49) 12 - 8 =(50) 仃-7 =(51) 11 - 9 =(52) 15 - 6 =(53) 18 - 9 =(54) 14 - 4 =(55) 16 - 8 =(56) 12 - 9 =(57) 11 - 4 =(58) 11 - 7 =(59) 15 - 7 =(60)

24、 13 - 8 =(1) 12 + 8 =匸(2) 6 + 11 =(3) 10 + 1 =(4) 5 + 1 =厂(5) 3 + 9 =匸(6) 6 + 6 =厂(7 ) 12 + 4 = (8 ) 16 + 4 =(9) 13 + 7 =匸(10 ) 6 + 13 =(11) 11 + 1 =(12) 10 + 6 =(13) 12 + 5 =(14 ) 18 + 1 =(15) 11 + 9 =(16) 3 + 14 =(17) 11 +2 =(18) 3 + 6 =(19 ) 6 + 12 =(20) 6 + 3 =(21) 19 + 1 = f(22) 2 + 10 = f (23

25、) 11 + 9 = f(24 ) 12 + 4 = f (25 ) 13 + 4 = f(26) 2 + 8 =(27 ) 7 + 10 = f (28 ) 18 + 1 = f (29 ) 19 + 1 = f(30 ) 6 + 3 =(31) 17 + 1 = f(32) 18 + 1 = f (33 ) 2 + 18 = f(34 ) 13 + 6 = f(35) 1 + 8 =(36) 5 + 15 = f(37 ) 5 + 1 =(38) 1 + 8 =(39 ) 12 + 7 = f (40 ) 11 + 1 = f(41) 2 + 6 =(42) 7 + 13 = f(43 )

26、 7 + 4 = (44) 5 + 14 = f(45 ) 15 + 2 = f(46 ) 3 + 15 = f(47 ) 15 + 1 = f(48 ) 16 + 1 = f(49 ) 7 + 10 = f (50 ) 12 + 4 = f(51) 10 + 3 = f(52) 19 + 1 = f(53 ) 16 + 3 = f(54) 18 + 2 = f(55) 8 + 4 =(56) 5 + 1 =(57 ) 14 + 6 = f(58 ) 12 + 7 = f(59) 2 + 2 =(60) 16 + 4 = f68899968167958949885(1) 18 -9=I(21)

27、13-(2) 18 -8=I(22)16-(3) 19 -9=I(23)17-(4) 14 -5=I(24)19-(5) 17 - 9 = II(25) 17 -(6) 12 -8=I(26)17-(7) 15 -8=I(27)15-(8) 19 -9=I(28)14-(9) 15 - 7 = II(29) 11 -(10) 14 - 5 =.1I(30)15-(11) 11 - 9 =I(31)16-(12) 11 - 7 =.1I(32)16-(13) 18 - 9 =I(33)13-(14) 13 - 6 =I(34)17-(15) 16 -7 =.1I(35)19-(16) 15 -5

28、 =II(36)12-(17) 11 -5 =.1I(37)19-(18) 12 -8 =II(38)13-(19) 17 -8 =J1(39)16-(20) 18 -9 =.1I(40)12-=1(41) 14 - 6 = 1=1(42) 12 - 7 = 1=1(43) 14 - 4 = 1=1(44) 17 - 7 = 1=1(45) 13 - 8 = 1=1(46) 16 - 9 = 1=1(47) 19 - 9 = 1=1(48) 15 - 5 = 1=1(49) 11 - 4 = 1=1(50) 11 - 9 = 1=1(51) 15 - 8 = 1=1(52) 14 - 4 =

29、1=1(53) 18 - 8 = 1=1(54) 18 - 9 = 1=1(55) 15 - 6 = 1=1(56) 13 - 4 = 1=1(57) 18 - 8 = 1=1(58) 16 - 6 =1(59) 16 - 9 = 1=1(60) 17 - 8 = 1(1) 2 + 13 =匸(2) 4 + 14 =(3) 16 + 2 =(4) 17 + 1 =(5) 1 + 13 =匸(6) 7 + 9 =(7) 18 + 1 =(8) 16 + 1 =(9 ) 2 + 1 =(10) 15 + 2 =(11) 5 + 5 =(12) 2 + 13 =(13) 11 +2 =(14) 10

30、 + 3 =(15 ) 6 + 9 =(16) 15 + 1 =(17 ) 3 + 4 =匚(18 ) 6 + 2 =(19 ) 19 + 1 =(20 ) 14 + 2 =(21) 17 + 1 =(22) 14 + 1 =(23) 1 + 14 =(24) 3 + 7 =(25) 16 + 1 =(26) 6 +13 =(27) 5 +14 =(28) 14 + 2 = (29 ) 7 + 7 =匸 (30 ) 17 + 2 =(31) 14 + 1 =(32) 16 + 2 = (33 ) 3 + 3 = (34 ) 1 + 14 = (35 ) 14 + 6 = (36) 7 + 6

31、= (37 ) 14 + 1 = (38 ) 11 + 9 = (39 ) 3 + 7 =(40) 8 + 7 =(41)5 + 2 =匚(42 )19 + 1 =(43 )13 + 5 =(44 )1 + 8 =(45 )12 + 6 =(46 )11 + 6 =(47 )17 + 1 =(48 )10 + 5 =(49 )13 + 3 =(50 )9 + 10 =(51)15 + 3 =(52 )5 + 1 =匸(53 )18 + 1 =(54 )4 + 10 =(55 )19 + 1 =(56 )13 + 3 =(57 )10 + 9 =(58 )17 + 3 =(59 )2 + 7 =

32、(60 )16 + 2 =(1) 12 - 5 =(2) 12 - 2 =(3) 17-8 =(4) 15 - 7 =(5) 13 -9 =(6) 18 - 9 =(7) 12 - 8 =(8) 15 -9 =(9) 16 -6 =(10) 12 - 7 = f(11) 17 - 8 = f(12) 15 - 7 = f(13) 12 - 5 = f(14) 14 - 5 = f(15) 12 - 2 = f(16) 15 - 6 = f(17) 17 - 7 = f(18) 14 - 5 = f(19) 11 - 9 = f(20) 17 - 8 = f(21) 15 - 6 =匚(22)

33、14 - 8 =(23) 11 - 2 =1(24) 18 - 8 = J1(25) 14 - 4 = J1(26) 19 - 9 =二1(27) 16 - 9 =二1(28) 13 - 5 =1(29) 12 - 8 =1(30) 11 - 9 =1(31) 19 - 9 =1(32) 15 - 9 =1(33) 16 - 7 =_1(34) 16 - 9 =1(35) 14 - 9 =1(36) 14 - 8 =1(37) 16 - 9 = J1(38) 16 - 9 =1(39) 12 - 3 =1(40) 16 - 7 = J1(41) 11 - 5 =匸(42) 15 - 5 =(4

34、3) 17 - 7 =(44) 19 - 9 =(45) 15 - 7 =(46) 16 - 6 =(47) 17 - 7 =(48) 18 - 8 =(49) 16 - 8 =匸(50) 16 - 7 =(51) 17 - 9 =(52) 16 -7 =(53) 19 -9 =(54) 17 -7 =(55) 11 -7 =(56) 15 -8 =(57) 19 - 9 =匸(58) 17 -9 =(59) 16 -8 =(60) 11 - 9 =(1)13 + 4 =(2)10 + 4 =(3)13 + 1 =(4)9 + 7 =匸(5)8 + 10 =(6)10 + 8 =(7)3 +

35、17 =(8)5 + 15 =(9)16 + 3 =(10)1 + 4 =(11)5 + 6 =(12)7 + 3 =(13)9 + 1 =(14)18 + 1 =(15)9 + 3 =(16)15 + 1 =(17)16 + 4 =(18)13 + 4 =(19)17 + 3 =(20)19 + 1 =(21) 11 + 7 = f(22) 10 + 4 = f(23) 13 + 3 = f(24) 13 + 3 = f(25) 5 + 7 =(26) 10 + 2 = f(27) 7 + 12 = f(28) 3 + 4 =(29) 9 + 1 =(30) 1 + 3 =(31) 13 +

36、 3 = f(32) 1 + 12 = f(33) 7 + 7 =(34) 4 + 11 = f(35) 3 + 7 =(36) 14 + 1 = f(37) 3 + 2 =(38) 1 + 5 =(39) 15 + 4 = f(40) 10 + 8 = f(41)15 + 2 =(42)8 + 2 =(43)10 + 9 =(44)14 + 5 =(45)8 + 2 =匚(46)9 + 1 =(47)1 + 18 =(48)14 + 5 =(49)13 + 5 =(50)12 + 2 =(51)3 + 1 =(52)6 + 11 =(53)7 + 5 =匚(54)2 + 8 =匚(55)19

37、 + 1 =(56)10 + 10 =(57)14 + 3 =(58)5 + 14 =(59)18 + 1 =(60)5 + 6 =匚(1)17 -8 =(2)13 -8 =(3)18 -8 =(4)16 -9 =(5)18 -8 =(6)19 -9 =16 -9 =(8)14 -8 =(9)18 -9 =(10)13-3(11)17-7(12)16-6(13)12-2(14)11-9(15)11-9(16)14-7(17)14-9(18)15-8(19)11-2(20)19-9(21) 15 -7 =(22) 15 -9 =(23) 12 -6 =(24) 12 -3 =(25) 14 -4

38、 =(26) 18 -9 =(27) 15 -7 =(28) 15 -6 =(29) 12 -2 =(30) 19 - 9 =(31) 13 - 3 =(32) 15 - 6 =(33) 12 - 8 =(34) 13 - 7 =(35) 17 - 9 =(36) 13 - 4 =(37) 12 - 9 =(38) 19 - 9 =(39) 12 - 3 =(40) 12 - 8 =(41) 13-8 =(42) 14 - 5 =(43) 17-7 =(44) 17-9 =(45) 17-9 =(46) 16-9 =(47) 18 -9 =(48) 15-5 =(49) 15-8 =(50)

39、15 -8 =(51) 12 -8 =(52) 13 -8 =(53) 14 -5 =(54) 14 -4 =(55) 19 -9 =(56) 17 -8 =(57) 14 -9 =(58) 18 -8 =(59) 13 -6 =(60) 18 -9 =(1) 4 + 4 =厂(2) 15 + 5 =(3) 11 + 8 =(4) 3 + 11 =(5) 7 + 12 =匸(6) 6 + 10 =(7) 14 + 5 =(8) 19 + 1 =(9) 10 + 4 =匸(10) 2 + 11 =(11) 13 + 2 =(12) 18 + 2 =(13) 13 + 6 =(14) 9 + 3

40、=(15) 11 +6 =(16) 5 + 9 =(17) 4 + 3 =匚(18) 4 + 15 =(19) 5 + 13 =(20) 2 + 18 =(21) 4 + 16 =(22) 14 + 6 =(23) 14 + 1 =1II(24) 12 + 6 =匸(25) 8 + 3 =匸(26) 3 + 8 =(27) 6 + 10 =1(28) 19 + 1 =匸(29) 5 + 9 =匸(30) 17 + 1 =(31) 10 + 7 =1II(32) 3 + 12 =匸(33) 14 + 2 = JII(34) 9 + 7 =(35) 12 + 8 =(36) 10 + 2 = JI

41、I(37) 7 + 3 =(38) 11 + 6 =(39) 19 + 1 =II(40) 16 + 1 = JII(41) 6 + 7 =(42) 6 + 7 =(43) 19 + 1 =(44) 9 + 3 =(45) 13 + 7 =(46) 19 + 1 =(47) 12 + 1 =(48) 8 + 10 =(49) 3 + 10 =(50) 8 + 5 =(51) 9 + 5 =(52) 17 + 3 =(53) 19 + 1 =(54) 2 + 11 =(55) 19 + 1 =(56) 5 + 2 =(57) 5 + 10 =(58) 19 + 1 =(59) 19 + 1 =(

42、60) 10 + 2 =(1)15 - 9 =(2)16 - 7 =(3)16 - 6 =(4)12 - 3 =(5)15 - 9 =(6)18 - 8 =(7)15 - 7 =(8)18 - 9 =(9)16 - 8 =(10)11 - 5 =(11)19 - 9 =(12)17 - 9 =(13)18 - 8 =(14)11 - 9 =(15)13 - 6 =(16)12 - 6 =(17)17 - 7 =(18)11 - 7 =(19)18 - 9 =(20)11 - 9 =(21) 19 -9 =(22) 19 -9 =(23) 12 -7 =(24) 15 -9 =(25) 15 -

43、8 =(26) 19 -9 =(27) 13 -3 =(28) 14 - 6 =(29) 14 - 5 =(30) 15 - 9 =(31) 11 - 4 =(32) 14 - 8 =(33) 18 - 8 =(34) 12 - 7 =(35) 13 - 4 =(36) 16 - 9 =(37) 14 - 6 =(38) 19 - 9 =(39) 19 - 9 =(40) 14 - 5 =(41) 14 - 6 = f(42) 16 - 9 = f(43) 17 - 9 = f(44) 18 - 8 = f(45) 12 - 3 = f(46) 16 - 7 = f(47) 11 - 9 = f(48) 17 - 9 = f(49) 13 - 5 = f(50) 16 - 9 = f(51) 12 - 7 = f(52) 18 - 8 = f(53) 19 - 9 = f(54) 17 - 7 = f(55) 16 - 6 = f(56) 13 - 3 = f(57) 19 - 9 = f(58) 15