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有理数加减法计算题(含答案)

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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)-+-+10;

(12)--+; (13)13-23+1;

(15)-216-157+348+512-678; (17)-4

23+11112-1714-21718;

(19)12-(-18)+(-7)-15;

(21)-(--+(-6);

(14)-15214+6+3-2; (16)-++111; (18)+334-12512-838; (20)-40-28-(-19)+(-24)-(-32);

(22)-23+(-1116)-(-4)-2; 1113(23)-4?7; (24)5-; (25)--;

33202

2513(26)-+- (27)3?; (28)?; (?2)(?)7734

(29)(?3)?(?2); (30)(?1.2)?(?1) (31)23-17-(-7)+(-16)

143415

211(32)+(-)-1+ (33)(-+(--+

353 (34)(-4

123?1??1?(36) -+-; (37)?? (38)0.5???????2.75?????

755?4??2?7111)-(-5)+(-4)-3 (35)(+-(-+(-- 8248

(39)+(-)++(-)+; (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) (12)- (13) (15)-191 (16)- (17)-22

23 (14) 341719 (18)-14 (19) 8 (20)-41 (21) 1824145(22)-1 (23)3 (24)- (25)- (26) (27) ; (28)?;

1271213(29)?6; (30)0 (31)-3 (32)- (33)- (34)-6 (35)

5412 (36) -; (37) ; (38) (39)-; (40)0;

35答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1 (10)-352 (11) (12)- (13) (15)-191 (16)- (17)-22

23 (14) 341719 (18)-14 (19) 8 (20)-41 (21) 1824145(22)-1 (23)3 (24)- (25)- (26) (27) ; (28)?;

1271213(29)?6; (30)0 (31)-3 (32)- (33)- (34)-6 (35)

5412 (36) -; (37) ; (38) (39)-; (40)0;

35答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1 (10)-352 (11) (12)- (13) (15)-191 (16)- (17)-22

23 (14) 341719 (18)-14 (19) 8 (20)-41 (21) 1824145(22)-1 (23)3 (24)- (25)- (26) (27) ; (28)?;

1271213(29)?6; (30)0 (31)-3 (32)- (33)- (34)-6 (35)

5412 (36) -; (37) ; (38) (39)-; (40)0;

35答案:(1)-5 (2)3 (3)-15 (4)-4 (5)-8 (6)-2 (7)-11 (8)1 (9)1 (10)-352

2317 (14) (15)-191 (16)- (17)-22 (18)-341819114 (19) 8 (20)-41 (21) (22)-1 (23)3 (24)- (25)- (26) (27)24124513?; ; (28)(29) (30)0 (31)-3 (32)- (33)- (34)-6 (35) ?6;

5471212(36) -; (37) ; (38) (39)-; (40)0;

35(11) (12)- (13)

有理数加减法计算题(含答案)

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;
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