1、五年级小数分数简便运算练习题58700五年级小数、分数简便运算练习题2 8 998 101 586-458127 4 102 78 8 3208 .2532 4 99 一、 竖式计算。1、(得数保留一位小数)(1) ( 2) (3) (4)624 (5)75 (6) 7(7)11 (8)31(用乘法验算) (9)19 2、(除不尽的保留两位小数)(11)3 (12) (13) (14) (15)415 (16) (17) (18) (19)5677 (20) (21) (22) (23)2333 (24) (25) 21240 (26)16 (27) (28) (29) (30)313、得数用
2、循环小数表示。 (31) (32) 1311 (33)33 (34) 1715 (35) (36)9 (37)11 (38)87二、能简便计算的要简便计算(39) (40) (41)(1008)(42)42 (43) (44) (45)+ (46) 98 (47)(52) (25) (53) +35(54)99 (55) (56) (57) (58) (59) (60) (61) (62)+ (63) (64) 11 (65) (66)4 (67)() (69) (70)12 (71) + (72) (73)(75)8 (76)20 (77)3 (78)+(79) + (80)(81)+ (8
3、2) (83) (84) (85)(+) (86) (87)99 (88)101 (91) (92) (93) () (94)32+430(96) (97) 102 (98) 88 (99) 4 (100) 三、解方程8x24 x x= = x= x= 3x24=9 13x+27=40 966+4x=56 3x=9 21810x= (x3)= (10x)=3 (3x)= (x)=(x6)=34x4518=21 9= 4x)=(x5= 20=6 24x8x= += (7x= 9x6= x)=5 (x= 25x=1354x)=20=6 (4x=x= 4x10=x110 5x= 5= 2x=18 4x= 28x20 9x1458 x (3x)= 3x+27=5012 (x144 5x311=42 29