五年级下数学分数加减法计算题

2023-01-22 22:02:14   文档大全网     [ 字体: ] [ 阅读: ]

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加减法,分数,年级,数学,计算
年级数学分数加减法 2 盘算题

.盘算下面各题,能轻便盘算的要轻便盘算.

57 1 52114211947

(1) (2) (3) ( ) (4) +(

6968541535205407711121342954(5) ( ) (6) -( (7)6.12 2.88 8 -(

61038347724249

15351873732177787

(9) -( (10) (11) (12) 1188

1111891091015121512

291351 5 3 1 7 7 1 1 (13) +( )(14) (15) - + - (16) + -

71424123610610943

637133131 5 5 1

(17) - - (18)834 (19)5105 (20)4-28+14

995375771772025

(21)1+412 (22)12+824 (23)82727 (24)0.85+7+1.15+7 3

53173145421 (25) (26) (27) +4 (28)

1241210881565355171542733338(29)1(30) (31)() (32)-( 1818175131071048

55532551552 1 (33) +( (34) (35)396 (36)277

6366362125832

38113328585(37) (38) 6 (39) (40) 563 1111145145

311113

7 1 1 321(41) + - (42) -( (43)5-(2 4 (44)10+53

9934541121751851335

(45)9-(6+3 (46)7+ (4+7) (47) 8(8+10) (48) 6+8+6+8

2626551355532(49) + - + (50)-(- (51) +( (52)

3737121210889643

27

13558177111

(53)2312 (54) + + + (55) - + (56) + -

128812918991218

434357532411

(57)51 (58) (59)-( (60) -

77910910757553




31551741755353

(61)6868 (62)5995 (63) 436 (64) 31111

10

3311111231

(2 3.9) 10 3 2.451.6 15 7 2.8 5 +6 +3 +2.7 1414620653103

.解方程.

1314551412x8.12518.125 3x99 x91 2x665-x=4 341737x (147)2 x-(48)=8

2715xx

9966

12

7+x=3

373311219xx14854 2x-88=188 x-99=45 x+314=5.375

31

113534-0.6+x=120 x3= 3 6.753x= 18 3.25+4.5x=5 15.375+5X=20 20204188




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