有理数加减法计算题(含答案)
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
1、计算:
(1)3-8; (2)-4+7; (3)-6-9; (4)8-12;
(5)-15+7; (6)0-2; (7)-5-9+3; (8)10-17+8;
(9)-3-4+19-11; (10)-8+12-16-23; (11)-4.2+5.7-8.4+10;
(12)6.1-3.7-4.9+1.8; (13)31-32+1; (14)-41+65+32-2
1;
(15)-216-157+348+512-678; (16)81.26-293.8+8.74+111; (17)-4
32+11211-1741-21817; (18)2.25+343-12125-88
3
;
(19)12-(-18)+(-7)-15; (20)-40-28-(-19)+(-24)-(-32);
(21)4.7-(-8.9)-7.5+(-6); (22)-32+(-61)-(-41)-2
1
;
(23)-431731+; (24)521-10.8; (25)0.12-0.54-203
;
(26)-4.72+16.42-5.28 (27))(752723-+; (28))
(4
3
31-+;
(29))432()41
3(-+-; (30))5
11(2.1++-)( (31)23-17-(-7)+(-16)
(32)32+(-51)-1+3
1
(33)(-26.54)+(-6.4)-18.54+6.4 (34)(-487)-(-521)+(-441)-38
1
(35)(+6.1)-(-4.3)+(-2.1)-5.7
(36) -3.4+4.7-8.35; (37)535271+- (38)()⎪⎭⎫
⎝⎛++--⎪⎭⎫ ⎝⎛-+2175.2415.0
(39)0.36+(-7.4)+0.3+(-0.6)+0.64; (40)9+(-7)+10+(-3)+(-9);
答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1 (10)-352 (11) 3.1 (12)-0.7 (13) 32 (14) 4
3
(15)-191 (16)-92.8 (17)-221817 (18)-1424
19
(19) 8 (20)-41 (21)0.1 (22)-1121 (23)3 (24)-5.3 (25)-0.57 (26)6.42 (27)74 ; (28)12
5
-;
(29)6-; (30)0 (31)-3 (32)-51 (33)-45.08 (34)-64
3
(35)2.6 (36) -7.05; (37) 35
12
; (38)3.5 (39)-6.7; (40)0;
答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1
(10)-352 (11) 3.1 (12)-0.7 (13) 32 (14) 4
3
(15)-191 (16)-92.8 (17)-221817 (18)-1424
19
(19) 8 (20)-41 (21)0.1 (22)-1121 (23)3 (24)-5.3 (25)-0.57 (26)6.42 (27)74 ; (28)12
5
-;
(29)6-; (30)0 (31)-3 (32)-51 (33)-45.08 (34)-64
3
(35)2.6
(36) -7.05; (37)
35
12
; (38)3.5 (39)-6.7; (40)0; 答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1
(10)-352 (11) 3.1 (12)-0.7 (13) 32 (14) 4
3
(15)-191 (16)-92.8 (17)-221817 (18)-1424
19
(19) 8 (20)-41 (21)0.1 (22)-1121 (23)3 (24)-5.3 (25)-0.57 (26)6.42 (27)74 ; (28)12
5
-;
(29)6-; (30)0 (31)-3 (32)-51 (33)-45.08 (34)-64
3
(35)2.6 (36) -7.05; (37)
35
12
; (38)3.5 (39)-6.7; (40)0; 答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1 (10)-35
2 (11) 3.1 (12)-0.7 (13) 32 (14) 4
3
(15)-191 (16)-92.8 (17)-221817 (18)-142419 (19) 8 (20)-41 (21)0.1 (22)-112
1 (23)3 (24)-5.3 (25)-0.57 (26)6.4
2 (27)74 ; (28)12
5
-;(29)6-; (30)0 (31)-3 (32)
-51 (33)-45.08 (34)-643
(35)2.6 (36) -7.05; (37) 35
12; (38)3.5 (39)-6.7; (40)0;