七上数学加减乘除乘方计算题60道-查字典问答网
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  七上数学加减乘除乘方计算题60道

  七上数学加减乘除乘方计算题60道

3回答
2020-04-12 01:34
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邓华林

  (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

  (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)答案:1-18

  2103/6

  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

2020-04-12 01:38:14
江孝感

  貌似没有乘方的啊?

2020-04-12 01:40:52
邓华林

  3+2^2×(-1/5)

  解:原式=3+4×(-1/5)

  =3-4/5

  =11/5

  18-6÷(-2)×(-1/3)

  解:原式=18-(-3)×(-1/3)

  =18-1

  =17

  (-3)^2×[-2/3+(-5/9)]

  解:原式=9×(-11/9)

  =-11

  8+(-3)^2×(-2)

  解:原式=8+9×(-2)

  =8-18

  =-10

  100÷(-2)^2-(-2)÷(-2/3)

  解:原式=100÷4-3

  =25-3

  =22

  36×(1/2-1/3)^2

  解:原式=36×(1/6)^2

  =36×(1/36)

  =1

  12.7÷(-8/19)×0

  解:原式=0

  4×(-3)^2+6

  解:原式=4×9+6

  =36+6

  =42

  (-3/4)×(-8+2/3-1/3)

  解:原式=(-3/4)×(-8+1/3)

  =(-3/4)×(-23/3)

  =23/4

  (-2)^3-13÷(-1/2)

  解:原式=(-8)-(-26)

  =18

  0-2^3÷(-4)^3-1/8

  解:原式=0-8÷(-64)-1/8

  =0+1/8-1/8

  =0

  (-2)^3×0.5-(-1.6)^2÷(-2)^2

  解:原式=(-8)×(1/2)-(-8/5)^2÷4

  =(-4)-(64/25)÷4

  =(-4)-16/25

  =-116/25

  (-3/2)×[(-2/3)^2-2]

  解:原式=(-3/2)×(4/9-2)

  =(-3/2)×(-14/9)

  =7/3

  [(-3)^2-(-5)^2]÷(-2)

  解:原式=(9-25)÷(-2)

  =(-16)÷(-2)

  =8

  16÷(-2)^3-(-1/8)×(-4)

  解:原式=16÷(-8)-1/2

  =-2-1/2

  =-5/2

2020-04-12 01:42:16

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