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