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