求50道有理数加减乘除计算题,-查字典问答网
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  求50道有理数加减乘除计算题,

  求50道有理数加减乘除计算题,

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2020-04-26 22:12
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乐静

  -13×三分之二-0.34×七分之二+三分之一×(-13)-七分之五*0.34

  =-13×2/3-0.34×2/7-13×1/3-5/7×0.34

  =-13×(2/3+1/3)-0.34×(2/7+5/7)

  =-13×1-0.34×1

  =-13.34

  (2×3×4×5)×(二分之一-三分之一-四分之一+五分之一)

  =(2×3×4×5)×(1/2-1/3-1/4+1/5)

  =(2×3×4×5)×(1/2)-(2×3×4×5)×(1/3)-(2×3×4×5)×(1/4)+(2×3×4×5)×(1/5)

  =3×4×5-2×4×5-2×3×5+2×3×4

  =60-40-30+24

  =14

  -1.57×(+21.8)+6.28×(-24.7)-3.14×39.7

  =-1.57×21.8+1.57×4×(-24.7)-1.57×2×39.7=-1.57(21.8+4×24.7+2×39.7)

  =-1.57×200

  =-314

  (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)

  (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)

  (51)13*5+6+3

  (52)(-15)/5/3+(-20)

  (53)19*4+17-4

  (54)(-11)-(-6)*(-4)*(-9)

  (55)(-16)+16-(-8)*(-13)

  (56)16/(-1)/(-10)/(-20)

  (57)(-1)-(-9)-9/(-19)

  (58)13*20*(-13)*4

  (59)11*(-6)-3+18

  (60)(-20)+(-12)+(-1)+(-12)

  (61)(-19)-3*(-13)*4

  (62)(-13)/3-5*8

  (63)(-15)/1+17*(-18)

  (64)(-13)/3/19/8

  (65)(-3)/(-13)/20*5

  (66)3/12/(-18)-18

  (67)5*(-19)/13+(-6)

  (68)4+4*(-19)-11

  (69)(-2)+17-5+(-1)

  (70)9+(-3)*19*(-19)

  (71)(-12)-(-6)+17/2

  (72)15*(-5)-(-3)/5

  (73)(-10)*2/(-1)/4

  (74)(-8)*16/(-6)+4

  (75)2-11+12+10

  (76)(-3)+(-20)*(-7)*(-9)

  (77)(-15)+8-17/7

  (78)(-14)*10+18*2

  (79)(-7)+2-(-17)*19

  (80)(-7)/18/1+1

  (81)11/(-9)-(-16)/17

  (82)15+5*6-(-8)

  (83)(-13)*(-18)+18/(-6)

  (84)11-(-1)/11*(-6)

  (85)(-4)+(-12)+19

2020-04-26 22:15:47

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