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,
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,
-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