小数
竖式计算
(1)5.6+2.1= (2)10-4.6= (3)1.8+4.9=
(4)9.7-2.3= (5)3.5-2.9= (6)15.2+0.9=
(7)7+0.3= (8)4.5+1.5= (9)1-0.7=
(10)5.9-3.9= (11)2.2+3.3= (12)3.6+2.1=
(13)2.2-0.5= (14)3.6-1.2= (15)6.2+7.7=
小数
竖式计算
(16)17.6+0.9= (17)5.4+3.8= (18)18.3-7.5=
(19)6-3.2= (20)9.8-3.7= (21)1.2+2.4=
(22)7.9-2.4= (23)8.8-7.2= (24)4.3+0.5=
(25)6.3+3.4= (26)9.3-4.5= (27)6.8-1.2=
(28)0.9+0.7= (29)4.7+2.9= (30)13.6+1.8=
小数
竖式计算
(31)3.5+4.4= (32)1-0.3= (33)5.7-2.1=
(34)3+2.9= (35)4.6-3= (36)4.3+2.7=
(37)2.7+3= (38)7.2+1.5= (39)0.4+9.9=
(40)8-3.9= (41)8.6-2.7= (42)3.8+4.9=
(43)7.5+2.5= (44)20-3.8= (45)2.8+3.7=
小数
竖式计算
(46)12.3-9.6= (47)40-9.3= (48)7.5+4.5=
(49)0.4+9.9= (50)8-3.9= (51)8.6-2.7=
(52)3.8+4.9= (53)3.6+8.9= (54)10-2.7=
(55)10-1.5= (56)8.3+1.8= (57)42.3+5.9=
(58)20-9.9= (59)8.7-2.9= (60)12.4+9.3=
小数
竖式计算
(61)27.4+18.5= (62)92-45.3= (63)9.4-1.8=
(64)2.5+0.7= (65)6.4-3= (66)5.3+2.4=
(67)9.5-1.3= (68)6.5+3.9= (69)9.2-3.8=
(70)7.3-3.8= (71)10.3-1.8= (72)13.5-4.8=
(73)12-9.8= (74)35.4+6.7= (75)1.5-0.7=
小数
竖式计算
(76)3.9-1.2= (77)13.9-5.8= (78)0.6+2.4=
(79)1.2+12.7= (80)6.3-3.9= (81)4.5+2.4=
(82)2.7+0.3= (83)4.5-2.6= (84)3.7+1.2=
(85)5.4-0.6= (86)10.6+0.4= (87)12-8.7=
(88)4.8+2.7= (89)8.5-5.6= (90)7.8+9.6=
小数的初步认识
答案
(1)7.7 (2)5.4 (3)6.7 (4)7.4 (5)0.6
(6)16.1 (7)7.3 (8)6.0 (9)0.3 (10)2.0
(11)5.5 (12)5.7 (13)1.7 (14)2.4 (15)13.9
(16)18.5 (17)9.2 (18)10.8 (19)2.8 (20)6.1
(21)3.6 (22)5.5 (23)1.6 (24)4.8 (25)9.7
(26)4.8 (27)5.6 (28)1.6 (29)7.6 (30)15.4
(31)7.9 (32)0.7 (33)3.6 (34)5.9 (35)1.6
(36)7 (37)5.7 (38)8.7 (39)10.3 (40)4.1
(41)5.9 (42)8.7 (43)10 (44)16.2 (45)6.5
(46)2.7 (47)30.7 (48)12(49)10.3 (50)4.1
(51)5.9 (52)8.7 (53)12.5 (54)7.3 (55)8.5
(56)10.1 (57)48.2 (58)10.1 (59)5.8 (60)21.7
(61)45.9 (62)46.7 (63)7.6 (64)3.2 (65)3.4
(66)7.7 (67)8.2 (68)10.4 (69)5.4(70)3.5
(71)8.5 (72)8.7 (73)2.2 (74)42.1 (75)0.8
(76)2.7 (77)8.1 (78)3 (79)13.9 (80)2.4
(81)6.9 (82)3 (83)1.9 (84)4.9 (85)4.8
(86)11 (87)3.3 (88)7.5(89)2.9 (90)17.4