(1) 1+0+8= (11) 3+0+3= (21) 2+8+0= (31) 1+4+0= (41) 3+5+1=
(2) 6+1+3= (12) 2+7+0= (22) 2+1+5= (32) 5+4+1= (42) 1+4+3=
(3) 2+4+3= (13) 7+1+2= (23) 0+2+6= (33) 4+0+2= (43) 1+8+0=
(4) 3+2+1= (14) 1+4+2= (24) 5+0+1= (34) 1+0+4= (44) 2+1+2=
(5) 3+0+7= (15) 6+2+1= (25) 2+0+5= (35) 3+5+2= (45) 1+2+1=
(6) 5+0+4= (16) 1+3+1= (26) 7+1+0= (36) 7+3+0= (46) 2+3+2=
(7) 5+3+1= (17) 1+2+5= (27) 3+1+5= (37) 4+3+1= (47) 2+5+2=
(8) 4+0+1= (18) 1+7+2= (28) 6+2+0= (38) 0+4+6= (48) 5+4+0=
(9) 6+0+2= (19) 1+5+4= (29) 1+8+1= (39) 7+2+1= (49) 1+5+1=
(10) 1+3+2= (20) 2+6+1= (30) 3+1+0= (40) 4+2+3= (50) 2+0+2=
标准答案:
(1)9 (2)10 (3)9 (4)6 (5)10 (6)9 (7)9 (8)5 (9)8 (10)6 (11)6 (12)9 (13)10 (14)7 (15)9 (16)5 (17)8 (18)10 (19)10 (20)9 (21)10 (22)8 (23)8 (24)6 (25)7 (26)8 (27)9 (28)8 (29)10 (30)4 (31)5 (32)10 (33)6 (34)5 (35)10 (36)10 (37)8 (38)10 (39)10 (40)9 (41)9 (42)8 (43)9 (44)5 (45)4 (46)7 (47)9 (48)9 (49)7 (50)4
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