二年级口算2.doc

文档介绍：______ 年____ 月____ 日=========================================================== (1) 49+ 27- 17= (2) 11+ 50- 38= (3) 42+ 11- 47= (4) 90- 11- 24= (5) 82- 73+ 82= (6) 86- 17- 32= (7) 39- 12+ 42= (8) 56- 48+ 27= (9) 41- 36+ 25= (10) 77- 24- 19= (11)4 x9= (12)2 x9= (13)6 x6= (14)4 x8= (15)2 x3= (16)4 x6= (17)6 x2= (18)7 x4= (19)5 x6= (20)8 x8= (21)4 x2= (22)3 x2= (23)2 x1= (24)3 x6= (25)5 x3= (26)6 x9= (27)1 x1= (28)8 x3= (29)1 x2= (30)7 x2= (31)9 x8= (32)8 x7= (33)1 x5= (34)7 x9= (35)9 x5= (36)3 x4= (37)5 x5= (38)4 x5= (39)4 x7= (40)5 x2= (41)6 x4= (42)9 x3= (43)9 x6= (44)5 x1= (45)3 x3= (46)8 x4= (47)8 x1= (48)7 x3= (49)1 x6= (50)8 x5= ====================== 答案============================ (1) = 59 (2) = 23 (3) =6 (4) = 55 (5) = 91 (6) = 37 (7) = 69 (8) = 35 (9) = 30 (10) = 34 (11) = 36 (12) = 18 (13) = 36 (14) = 32 (15) =6 (16) = 24 (17) = 12 (18) = 28 (19) = 30 (20) = 64 (21) =8 (22) =6 (23) =2 (24) = 18 (25) = 15 (26) = 54 (27) =1 (28) = 24 (29) =2 (30) = 14 (31) = 72 (32) = 56 (33) =5 (34) = 63 (35) = 45 (36) = 12 (37) = 25 (38) = 20 (39) = 28 (40) = 10 (41) = 24 (42) = 27 (43) = 54 (44) =5 (45) =9 (46) = 32 (47) =8 (48) = 21 (49) =6 (50) = 40 ______ 年____ 月____ 日=========================================================== (1) 31+ 24- 34= (2) 51+ 17- 50= (3) 36+ 26- 59= (4) 61+ 32- 64= (5) 67- 43- 11= (6) 57+ 42- 24= (7) 47+ 27- 58= (8) 63- 51+ 13= (9) 28+ 64- 28= (10) 24+ 42- 54= (11)2 x8= (12)8 x6= (13)5 x8= (14)7 x1= (15)3 x4= (16)9 x4= (17)4 x1= (18)3 x6= (19)8 x7= (20)3 x2= (21)4 x6= (22)2 x1= (23)9 x8= (24)9 x1= (25)9 x9= (26)3 x1= (27)2 x2= (28)6 x3= (29)6 x6= (30)2 x5= (31)2 x6= (32)9 x7= (33)5 x7= (34)7 x5= (35)4 x5= (36)8 x8= (37)1 x3= (38)2 x7= (39)1 x8= (40)6 x4= (41)6 x5= (42)1 x2= (43)5 x6= (44)4 x3= (45)4 x8= (46)1 x1= (47)3 x5= (48)2 x4= (49)8 x1= (50)1 x5= ====================== 答案============================ (1) = 21 (2) = 18 (3) =3 (4) = 29 (5) = 13 (6) = 75 (7) = 16 (8) = 25 (9) = 64 (10) = 12 (11) = 16 (12) = 48 (13) = 40 (14) =7 (15) = 12 (16) =