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