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