【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《五年级下数学分数加减法计算题》,欢迎阅读!
五年级下数学分数加减法 【2 】盘算题
一.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) 11-8-8
1111891091015121512
291351 5 3 1 7 7 1 1 (13) +( + )(14) - + (15) - + - (16) + -
71424123610610943
637133131 5 5 1
(17) - ( - ) (18)8+3+4 (19)5-10-5 (20)4-28+14
995375771772025
(21)1+4-12 (22)12+8-24 (23)8-27-27 (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)3-9+6 (36)2-7-7
6366362125832
38113328585(37) +++ (38) 6-- (39) -+- (40) 5-6+3 1111145145
311113
7 1 1 321(41) + - (42) -(-) (43)5-(2- 4 ) (44)10+5-3
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)2-312 (54) + +( + ) (55) -( + ) (56) + -
128812918991218
434357532411
(57)5--1 (58) +++ (59)-(-) (60) -( +)
77910910757553
31551741755353
(61)6+8+6+8 (62)5+9+9+5 (63) 4-3+6 (64) 3-11-11
10
3311111231
-(2 +3.9) 10 -3 -2.45+1.6 15 -7 -2.8 5 +6 +3 +2.7 1414620653103
二.解方程.
1314551412x-8.125=18.125 3x+9=9 x+9=1 2x-6=65-x=4 341737x -(14+7)=2 x-(4-8)=8
2715xx
9966
12
7+x=3
373311219xx14854 2x-88=188 x-99=45 x+314=5.375
31
113534-0.6+x=120 x-3= 3 6.75+3x= 18 3.25+4.5-x=5 15.375+5X=20 20204188
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