【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《有理数加减法计算题(含答案)》,欢迎阅读!
(一)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)
121521-+1;(14)-++-; 334632
(15)-216-157+348+512-678;(16)81.26-293.8+8.74+111; (17)-4
211117353
+1-17-2;(18)2.25+3-12-8; 3124184128
(19)12-(-18)+(-7)-15;(20)-40-28-(-19)+(-24)-(-32);
(21)4.7-(-8.9)-7.5+(-6);(22)-
21
+(-36
)-(-
11
)-; 42
1113
7; (24)5-10.8; (25)0.12-0.54-; 33202
2513
(26)-4.72+16.42-5.28(27)3; (28); (2)()
7734
131
(29)(3)(2); (30)(1.2)(1)(31)23-17-(-7)+(-16)
445211
(32)+(-)-1+(33)(-26.54)+(-6.4)-18.54+6.4
353
7111
(34)(-4)-(-5)+(-4)-3(35)(+6.1)-(-4.3)+(-2.1)-5.7
8248
(23)-4
(36)-3.4+4.7-8.35; (37)
12311
(38)0.52.75 75542
(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
23
(14) 34
1719
(15)-191(16)-92.8(17)-22(18)-14(19)8(20)-41(21)0.1
1824
145
(22)-1 (23)3 (24)-5.3 (25)-0.57 (26)6.42 (27) ;(28);
12712
13
(29)6; (30)0(31)-3 (32)- (33)-45.08 (34)-6 (35)2.6
54
12
(36) -7.05; (37); (38)3.5 (39)-6.7; (40)0;
35
(8)1(9)1(10)-352(11)3.1(12)-0.7(13)
答案:(1)-5 (2)3 (3)-15(4)-4 (5)-8 (6)-2(7)-11 1/2
23(14) 34
1719
(15)-191(16)-92.8(17)-22(18)-14(19) 8(20)-41(21)0.1
1824
145
(22)-1 (23)3 (24)-5.3 (25)-0.57 (26)6.42 (27) ; (28);
12712
13
(29)6; (30)0 (31)-3 (32)- (33)-45.08 (34)-6 (35)2.6
54
12
(36) -7.05; (37); (38)3.5 (39)-6.7; (40)0;
35
(8)1(9)1(10)-352(11) 3.1(12)-0.7(13)
答案:(1)-5 (2)3 (3)-15(4)-4 (5)-8 (6)-2(7)-11
23(14) 34
1719
(15)-191(16)-92.8(17)-22(18)-14(19) 8(20)-41(21)0.1
1824
145
(22)-1 (23)3 (24)-5.3 (25)-0.57 (26)6.42 (27) ; (28);
12712
13
(29)6; (30)0 (31)-3 (32)- (33)-45.08 (34)-6 (35)2.6
54
12
(36) -7.05; (37); (38)3.5 (39)-6.7; (40)0;
35
(8)1(9)1(10)-352(11) 3.1(12)-0.7(13)
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)
2317191(14) (15)-191(16)-92.8(17)-22(18)-14(19) 8(20)-41(21)0.1(22)-1 (23)3 34182412
45
(24)-5.3 (25)-0.57 (26)6.42 (27) ; (28);(29)6; (30)0 (31)
712
1213
-3 (32)- (33)-45.08 (34)-6 (35)2.6 (36) -7.05; (37); (38)3.5
5435
(39)-6.7; (40)0;
2/2
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