初一有理数计算题75题【带答案最好有过程】不要带字母的,有平-查字典问答网
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来自刘志的问题

  初一有理数计算题75题【带答案最好有过程】不要带字母的,有平方的,有负数正数的.只要计算题.像59-(-9)+78-(65的平方)一类的就可以.最好有过程.

  初一有理数计算题75题【带答案最好有过程】

  不要带字母的,有平方的,有负数正数的.只要计算题.像59-(-9)+78-(65的平方)一类的就可以.最好有过程.

3回答
2019-05-08 21:33
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韩彩霞

  (1)(+11)+(-7)+(+10)+(-3)+(-11)

  =(+11)+(-11)+(-7)+(+10)+(-3)

  =0+(-7)+(+10)+(-3)

  =0

  (2)-(-2.4)-(+3.7)+(-4.6)-(-5.7)

  =2.4-3.7-4.6+5.7

  =(2.4+5.7)-(3.7+4.6)

  =8.1-8.3

  =-0.2

  (3)1-3+5-7+9-11+...+97-99

  =(1-3)+(5-7)+(9-11)+...+(97-99)

  =-2+(-2)+(-2)+...+(-2)

  =-2*25

  =-50

  (4)丨-2/5丨-(3.5)+丨-1-2/3丨

  =2/5-3.5+5/3

  =2/5-7/2+5/3

  =2/5+5/3-7/2

  =31/15-7/2

  =-43/30(1)9*27

  (3)(-2)-8-14-13

  (4)(-7)*(-1)/7+8

  (5)(-11)*4-(-18)/18

  (6)4+(-11)-1/(-3)

  (7)(-17)-6-16/(-18)

  (8)5/7+(-1)-(-8)

  (9)(-1)*(-1)+15+1

  (10)3-(-5)*3/(-15)

  (11)6*(-14)-(-14)+(-13)

  (12)(-15)*(-13)-(-17)-(-4)

  (13)(-20)/13/(-7)+11

  (14)8+(-1)/7+(-4)

  (15)(-13)-(-9)*16*(-12)

  (16)(-1)+4*19+(-2)

  (17)(-17)*(-9)-20+(-6)

  (18)(-5)/12-(-16)*(-15)

  (19)(-3)-13*(-5)*13

  (20)5+(-7)+17-10

  (21)(-10)-(-16)-13*(-16)

  (22)(-14)+4-19-12

  (23)5*13/14/(-10)

  (24)3*1*17/(-10)

  (25)6+(-12)+15-(-15)

  (26)15/9/13+(-7)

  (27)2/(-10)*1-(-8)

  (28)11/(-19)+(-14)-5

  (29)19-16+18/(-11)

  (30)(-1)/19+(-5)+1

  (31)(-5)+19/10*(-5)

  (32)11/(-17)*(-13)*12

  (33)(-8)+(-10)/8*17

  (34)7-(-12)/(-1)+(-12)

  (35)12+12-19+20

  (36)(-13)*(-11)*20+(-4)

  (37)17/(-2)-2*(-19)

  (38)1-12*(-16)+(-9)

  (39)13*(-14)-15/20

  (40)(-15)*(-13)-6/(-9)

  (41)15*(-1)/12+7

  (42)(-13)+(-16)+(-14)-(-6)

  (43)14*12*(-20)*(-13)

  (44)17-9-20+(-10)

  (45)12/(-14)+(-14)+(-2)

  (46)(-15)-12/(-17)-(-3)

  (47)6-3/9/(-8)

  (48)(-20)*(-15)*10*(-4)

  (49)7/(-2)*(-3)/(-14)

  (50)13/2*18*(-7)

  答案:

  1243

  3-37

  49

  5-43

  6-(20/3)

  7-(199/9)

  854/7

  917

  102

  11-83

  12216

  131021/91

  1427/7

  15-1741

  1673

  17127

  18-(2885/12)

  19842

  205

  21214

  22-41

  23-(13/28)

  24-(51/10)

  2524

  26-(268/39)

  2739/5

  28-(372/19)

  2915/11

  30-(77/19)

  31-(29/2)

  321716/17

  33-(117/4)

  34-17

  3525

  362856

  3759/2

  38184

  39-(731/4)

  40587/3

  4123/4

  42-37

  4343680

  44-22

  45-(118/7)

  46-(192/17)

  47145/24

  48-12000

  49-(3/4)

  50-819

  再来一些:-5+21*8/2-6-59

  68/21-8-11*8+61

  -2/9-7/9-56

  4.6-(-3/4+1.6-4-3/4)

  1/2+3+5/6-7/12

  [2/3-4-1/4*(-0.4)]/1/3+2

  22+(-4)+(-2)+4*3

  -2*8-8*1/2+8/1/8

  (2/3+1/2)/(-1/1

2019-05-08 21:36:23
刘志

  。。。。再来几题有过程的行么,有平方这些运算的计算题么

2019-05-08 21:37:09
韩彩霞

  (1)(-9)-(-13)+(-20)+(-2)(2)3+13-(-7)/6(3)(-2)-8-14-13(4)(-7)*(-1)/7+8(5)(-11)*4-(-18)/18(6)4+(-11)-1/(-3)(7)(-17)-6-16/(-18)(8)5/7+(-1)-(-8)(9)(-1)*(-1)+15+1(10)3-(-5)*3/(-15)(11)6*(-14)-(-14)+(-13)(12)(-15)*(-13)-(-17)-(-4)(13)(-20)/13/(-7)+11(14)8+(-1)/7+(-4)(15)(-13)-(-9)*16*(-12)(16)(-1)+4*19+(-2)(17)(-17)*(-9)-20+(-6)(18)(-5)/12-(-16)*(-15)(19)(-3)-13*(-5)*13(20)5+(-7)+17-10(21)(-10)-(-16)-13*(-16)(22)(-14)+4-19-12(23)5*13/14/(-10)(24)3*1*17/(-10)(25)6+(-12)+15-(-15)(26)15/9/13+(-7)(27)2/(-10)*1-(-8)(28)11/(-19)+(-14)-5(29)19-16+18/(-11)(30)(-1)/19+(-5)+1(31)(-5)+19/10*(-5)(32)11/(-17)*(-13)*12(33)(-8)+(-10)/8*17(34)7-(-12)/(-1)+(-12)(35)12+12-19+20答案:(1)-18(2)103/6(3)-37(4)9(5)-43(6)-(20/3)(7)-(199/9)(8)54/7(9)17(10)2(11)-83(12)216(13)1021/91(14)27/7(15)-1741(16)73(17)127(18)-(2885/12)(19)842(20)5(21)214(22)-41(23)-(13/28)(24)-(51/10)(25)24(26)-(268/39)(27)39/5(28)-(372/19)(29)15/11(30)-(77/19)(31)-(29/2)(32)1716/17(33)-(117/4)(34)-17(35)25

2019-05-08 21:42:06

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