一元一次不等式组100道计算题91662
七年级下一元一次不等式组100题(有答案)
解不等式不等式组100题1.3(2x +5)<2(4x +6)2.10-4(x -3)≤2(x -2)3.3x -2(9-x )>3(7+2x )-(11-6x )4.2(3x -1)-3(4x +5)≤x -4(x -7)5.2(x -1)-x >3(x -1)-3x +56.3[y -2(y -7)]≤4y7.15-(7+5x )≤2x +(5-3x )8.2(x -4)-3<1-3(x -2)9.2+≤2-3(y +1)8y -3410.0.5x +3(1+0.2x )>0.4x -0.611.2[x -]≤x 43(x -2312)3412.-≥0.04x +0.090.050.3+0.2x 0.3x -5213.7(4-x )-2(4-3x )<-4x14.2+<3+3(y +1)8y -1415.+<1x 3x -1216.3[x -2(x -2)]>x -3(x -3)17.x ++<1+x 2x +13x +8618.x -4<3243(1+x )(x -216)19.5-≥-x 3122x +1420.+1<+3y +137y -352(y -2)1521.-1<x +523x +2222.{2x -5<3x>x -22x 323.{->-1x 2x 32-3>-6(x -3)(x -2)24.{+4≤1x2x -8>2(x +2)25.{x -3<4(x -2)≥x -12x +1326.{2≤10-4(x -3)(x +8)-<1x -124x +1627.{->x3x -322x +13<112[x -2(x +3)]28.{x -3>1-x x -5>5-x 2x -4>x 229.4≤<73x -2-230.2x -1≤x -5≤4-x 3231.y -≤+13y -832(10-y )732.>(1-)(+1)(1+y 3)(+1y 2)y -22y 233.{3x -2<82x -1>234.{5-7x ≥2x -41-<0.534(x -1)35.2x <1-x ≤x +536.{3<2(x +9)(1-x)-≤-14x -30.5x +40.237.{-3x ≤04x +7>038.{x -1<x122x -4>3x +339.{2x -5<3x >x -22x 340.{->-1x 2x 32-3>-6(x -3)(x -2)41.{+4≤1x 2x -8>2(x +2)42.{5x -3≥2x <43x -1243.{2x +7>3x -1≥0x -2544.{>x -11+2x34<3x -4(x -1)45.-1<<1-2-3x446.{2-1≥3(x +1)4+x <747.{2x -1≥3(x -2)-2x <448.{3x +1>x +32x -1<x +149.{x +3>42x <650.{2x -5≥3(x -1)-<1x 3x -1251.{x<2x +13x -2≤4(x -1)52.{x +3>02+3≥3x(x -1)53.{3x +1<2(x +2)-x ≤x +2135354.{>0x +132≥6(x -1)(x +5)55.{5x -9<3(x -1)1-x ≤x -1321256.{2≤5x +5(x -3)4x <3x +157.{2x +3≤x +6>x +22x +3358.{-3≤4-x(x -2)>x -11+2x359.{4x -3<5x +≤x-42x +261360.{<212(x +4)x -3>5(x -1)61.{x ->-31+3x 25x -12≤2(4x -3)62.{1-2(x -1)≤5<x +3x -221263.{+3>x +1x -321-3≤8-x(x -1)解不等式不等式组100题64.{5x +2>3(x -1)7-x ≥x -1321265.{2<x +4(x +2)≥x 3x +1466.{2x +5≤3(x +2)x -1<x2367.{3≥x +4(x +2)<1x -1268.{2-x >0+1≥5x +122x -1369.{-3x ≤5616(x +5)2-9x >5[x -2(x -3)](x +19)70.{3x -2≤x +6+1>x 5x -2271.{2x +2≥3x +3-<-2x-13x +4272.{5x +3(x -2)≤10>x -11+3x273.{+2≥xx -241-3<9-x (x -2)74.{5x -2>3(x +1)x -1≤7-x 123275.{4x -10<05x +2>3x11-2x ≥1+3x 76.{-≤12x -135x +125x -1<3(x +1)77.{2x -3<1+2≥-x x -1278.{3+4<5x (x -2)-x ≥3x +1x -1279.{x -3(x -2)≥4<2x -15x +1280.{>2+x 22x -135-2≤x -1(x -3)81.{5x -2<3x +4>-x x +8382.{10-4(x -3)≥2(x -1)x -1>1-2x383.{5x -2<3(x +1)≤x -222x +3384.{3>2(x +9)(1-x)-≤-14x -30.5x +40.285.{2-x >0+1≥5x +122x -1386.{-3-<8(x +1)(x -3)-≤12x +131-x287.{5x -2≤3(x +1)x -1≤7+x 123288.{1-≤x +2x +12x >x (x +3)(x +1)89.{-≤12x -135x +125x -1<3(x +1)90.{5x +4<3(x +1)≥x -122x -1591.{2x +7>3x -1≥0x -2592.{1-2(x -1)≤5<x +3x -221293.{2≤3x +3(x +2)<x 3x +1494.{3x -1<2(x +1)≥1x +3295.{3x -2>x +2x -1≤7-x 123296.{3x -1<2x +11-2≤3+5(x -1)(x +1)97.{x -(2x -1)≤432>2x -11+3x298.{+3<x -1x -231-3≥6-x(x +1)99.{2x -1≥03x +1>03x -2<0100.≤5|-2x +13|解不等式不等式组100题答案12345678910x >32x ≥133x <-4x ≥-15x >4y ≥6x ≥34x <185y ≤35x >-36711121314151617181920x ≥35x ≤9x <-203y <3x <95x <3x <65x >152x ≥-572y >33821222324252627282930x >12x >6-6<x <6x <-121<x ≤4-10<x ≤1无解x >8-4<x ≤-2x ≤-431323334353637383940y ≤256y >65<x <32103无解-2≤x <13x >-3x ≥0无解x >6-6<x <641424344454647484950x <-121≤x <32≤x <8x <0-2<x <231≤x <3-2<x ≤51＜x ＜21＜x ＜3-3<x ≤-251525354555657585960-1<x ≤2-3<x ≤1-1≤x <3-1<x ≤41≤x <3-<x <11130<x ≤31≤x <4-3<x ≤3X <-161626364656667686970-2≤x <5-1≤x <3-2≤x <1-<x ≤452无解-1≤x <31≤x <3-1≤x <20≤x <40<x ≤471727374757677787980-2<x ≤-1-3<x ≤8-<x ≤212<x ≤452-1<x ≤2-1≤x <2-1≤x <2-1<x ≤-37-7<x ≤14≤x <881828384858687888990-2<x <3<x ≤445-12≤x <52-4≤x <-3-1≤x <2-2<x ≤1-8≤x ≤52-1≤x <0-1≤x <2无解9192939495969798991002≤x <8-1≤x <31≤x <3-1≤x <32<x ≤4﹣1≤x <2﹣≤x <354无解≤x <1223-7≤x ≤8。
一元一次不等式组100道计算题
一元一次不等式组100道计算题一、计算题1. 解不等式组：cases(2x - 1>x + 1x + 8<4x - 1)2. 解不等式组：cases(5x - 3>3(x - 1)(1)/(2)x - 1≤slant7-(3)/(2)x)3. 解不等式组：cases(2(x + 1)>5x - 7(x + 10)/(3)>2x)4. 解不等式组：cases(3x - 2<x + 2x + 5>4x + 1)5. 解不等式组：cases(4x - 7<3(x - 1)(x - 2)/(4)≥slant(x)/(5))6. 解不等式组：cases(2x+3>x - 13x - 1<8)7. 解不等式组：cases(5x+2>3(x - 1)(1)/(3)x≤slant2+(2)/(3)x)8. 解不等式组：cases(x - 3(x - 2)≥slant4(1 + 2x)/(3)>x - 1)9. 解不等式组：cases(3(x + 2)>x + 8(x)/(4)≥slant(x - 1)/(3))10. 解不等式组：cases(2x-5<x + 13x + 2≥slant4x - 1)11. 解不等式组：cases(4(x - 1)>x + 2(2x - 1)/(3)<x)12. 解不等式组：cases(3x+1>2x - 4- 2x≤slant6)13. 解不等式组：cases(5x - 2>3(x + 1)(1)/(2)x - 1<3-(1)/(2)x)14. 解不等式组：cases(x - 2(x - 3)>4(3x - 1)/(2)<x + 1)15. 解不等式组：cases(4x+3>3x - 1(x - 1)/(2)≤slant(2x - 1)/(3))16. 解不等式组：cases(2x - 3<x + 23x + 1≥slant2x - 1)17. 解不等式组：cases(5x - 1>3(x + 1)(2x - 1)/(5)≤slant(x + 3)/(2))18. 解不等式组：cases(x - 4(x - 1)≥slant - 2(2x + 1)/(3)>x - 1)19. 解不等式组：cases(3(x - 1)+2>5x - 2(1 - x)(1 - x)/(2)≥slant(x - 3)/(3))20. 解不等式组：cases(4x - 3<3x + 1(x + 2)/(3)>x - 1)二、解析1.- 解不等式2x - 1>x + 1，移项可得2x-x>1 + 1，即x>2。
一元一次不等式组100道计算题
精心整理 一元一次不等式组计算题1. ⎩⎨⎧-≤+>+145321x x x x 2. 31422x x x ->⎧⎨<+⎩3. 512324x xx x ->+⎧⎨+<⎩ 4.21241x x x x >-⎧⎨+<-⎩5. 230320x x -<⎧⎨+>⎩ 6.23182x x x >-⎧⎨-≤-⎩精心整理 7. 253(2)123x x x x +≤+⎧⎪-⎨<⎪⎩ 8. ⎪⎩⎪⎨⎧+≥--<+-13215423x x x x x ）（9. ⎪⎩⎪⎨⎧-≤-+>+312214513x x x x ）（ 10. ⎪⎩⎪⎨⎧>+-≥+x x x x 4121213）（）（11. ⎪⎩⎪⎨⎧+<-<->+412052013x x x x 12. ⎪⎩⎪⎨⎧+<++≤--->+3.22.05.02832)1(42x x x x x x精心整理13. ⎩⎨⎧-≤+>+145321x x x x 14. 314,2 2.x x x ->⎧⎨<+⎩15. 230320x x -<⎧⎨+>⎩ 16. 512,324.x x x x ->+⎧⎨+<⎩17. 21,24 1.x x x x >-⎧⎨+<-⎩ 18. 251,3311.48x x x x ⎧+>-⎪⎪⎨⎪-<-⎪⎩19. 3(2)451312x x x x x -+<⎧⎪⎨--≥+⎪⎩ 20. 312(1)2(1)4x x x x +≥-⎧⎨+>⎩精心整理21. ⎪⎩⎪⎨⎧-≥-->+356634)1(513x x x x 22. ⎪⎩⎪⎨⎧-≤-+>+3122145)1(3x x x x23. ⎪⎪⎩⎪⎪⎨⎧-<-+<-.3212112)2(31x x x x 24.253(2)123x x x x +≤+⎧⎪-⎨<⎪⎩精心整理25. ()324,12 1.3x x x x --≥⎧⎪⎨+>-⎪⎩ 26. ⎩⎨⎧≤+-<+51148x x x27. 0≤523x -≤1 28. －1＜213-x ≤429. ⎩⎨⎧>-<-21312x x 30. ⎩⎨⎧>-≤-01202x x31. ⎩⎨⎧+<->-22413x x x 32. ⎪⎩⎪⎨⎧>-≤--x x x x 22158)2(3精心整理33. ⎪⎩⎪⎨⎧+-<>+23201x x x 34. ⎪⎩⎪⎨⎧->+≥--13214)2(3x x x x35. ⎩⎨⎧<+≤+53201x x 36. ⎩⎨⎧>-<-212823x x37. ⎪⎩⎪⎨⎧<---≥5.0)1(431427-5x x x 38. 512+≤-<x x x39. ⎪⎩⎪⎨⎧-≤+--+<-142.045.03)9(2)1(3x x x x 40. ⎪⎩⎪⎨⎧->+≤--122314)12(23x x x x精心整理41. ⎩⎨⎧>+<-023032x x 42. ⎩⎨⎧>-<+965732x x43. ⎩⎨⎧-<+<6372x x x x 44. 535112<-<-x45. ⎪⎩⎪⎨⎧≤-->3231335x x x 46. ⎩⎨⎧->+->+148)1(223x x x x47. 5124≤-<-x 48. ⎪⎩⎪⎨⎧+>+-<-2312572x x x x精心整理49. ⎪⎩⎪⎨⎧+≤-<--<+732516932x x x x x 50. ⎪⎩⎪⎨⎧-+>-+≤+-)3)(3()1(2211x x x x x x 51. ⎪⎩⎪⎨⎧-≤--<-++)54(31)7(4102721x x x x x 52. 35741≤-≤-x53. ⎪⎩⎪⎨⎧>-<->+050903x x x 54. ⎪⎩⎪⎨⎧+>-<+523)1(212x x x x精心整理 55. ⎪⎩⎪⎨⎧-<--≥+-x x x x 8)1(31323 56. ⎪⎪⎩⎪⎪⎨⎧+≤-<--+<+32112)1(3223x x x x x x 57. ⎩⎨⎧>-<+423532x x 58. 25431≤+<-x 59. ⎪⎩⎪⎨⎧+>-≥--23214)2(231x x x x 60. ⎪⎩⎪⎨⎧>++-<-x x x x 1321)2(34精心整理 61. ⎩⎨⎧->-+≤)1(6255.12x x xx 62. ⎪⎩⎪⎨⎧->--+>+132533227)1(2x x x x x 63. ⎪⎩⎪⎨⎧->-+<-x x x x 215123)12(334 64. ⎩⎨⎧+<+--≥+)1(21)1(323x x xx精心整理65. ⎩⎨⎧<+>-x x x 5)2(301 66. ⎩⎨⎧+≤>+23412x x x x67. ⎪⎩⎪⎨⎧-≥+>+)1(6)5(2031x x x 68. ⎩⎨⎧≤-<-12523x x69. ⎩⎨⎧-≤++≥-148112x x x x 70. ⎪⎩⎪⎨⎧-≤-<+x x x x 3571315)1(371. ⎪⎩⎪⎨⎧<-≤+421121x x 72. ⎪⎩⎪⎨⎧-->+≤-121222x x x x精心整理73. ⎩⎨⎧<->+423532x x 74. ⎩⎨⎧≥--<+13112x x75. ⎩⎨⎧-<+>-12434x x x x 76. ⎩⎨⎧>-≥-02401x x77. ⎩⎨⎧-≤-<+x x x x 316148 78. ⎪⎩⎪⎨⎧≥+-<-x x x 1213512精心整理79. ⎩⎨⎧->+<2)1(22x x 80. ⎩⎨⎧<>-311x x81. ⎪⎩⎪⎨⎧<-+<+x x x x 321)2(452 82. ⎪⎩⎪⎨⎧+≤-+<+23531)2(213x x x x83. ⎪⎩⎪⎨⎧≥+<-131202x x 84. ⎪⎩⎪⎨⎧≥+-<-x x x 121351285. ⎪⎩⎪⎨⎧<+-≥14313x x 86. ⎩⎨⎧-≤-->+2334)1(223x x x x精心整理87. ⎪⎩⎪⎨⎧>-+<+02)8(21042x x 88. ⎩⎨⎧->++<-148112x x x x89. ⎪⎩⎪⎨⎧-<-≥--312123)2(43x x x x 90. ⎪⎩⎪⎨⎧+>-≥--23214)2(231x x x x91. ⎪⎩⎪⎨⎧>++-<-x x x x 1321)2(34 92. ⎩⎨⎧->-+≤)1(6255.12x x x x精心整理93. ⎪⎩⎪⎨⎧->--+>+132533227)1(2x x x x x 94. ⎪⎩⎪⎨⎧->-+<-x x x x 215123)12(33495. 33120<+<x 96. ⎪⎩⎪⎨⎧+-<--≥-132218232x x x x97. ⎩⎨⎧≤->+0630164x x 98. ⎪⎩⎪⎨⎧-≤-+->-31321435x x x x99. ⎪⎩⎪⎨⎧≤->-74133413x x 100. ⎩⎨⎧+>-->+)2(532)7(3)1(2x x x x。
七年级下一元一次不等式组100题(有答案)
解不等式不等式组100题1.3(2x +5)<2(4x +6)2.10-4(x -3)≤2(x -2)3.3x -2(9-x )>3(7+2x )-(11-6x )4.2(3x -1)-3(4x +5)≤x -4(x -7)5.2(x -1)-x >3(x -1)-3x +56.3[y -2(y -7)]≤4y7.15-(7+5x )≤2x +(5-3x )8.2(x -4)-3<1-3(x -2)9.2+≤2-3(y +1)8y -3410.0.5x +3(1+0.2x )>0.4x -0.611.2[x -]≤x 43(x -2312)3412.-≥0.04x +0.090.050.3+0.2x 0.3x -5213.7(4-x )-2(4-3x )<-4x14.2+<3+3(y +1)8y -1415.+<1x 3x -1216.3[x -2(x -2)]>x -3(x -3)17.x ++<1+x 2x +13x +8618.x -4<3243(1+x )(x -216)19.5-≥-x 3122x +1420.+1<+3y +137y -352(y -2)1521.-1<x +523x +2222.{2x -5<3x>x -22x 323.{->-1x 2x 32-3>-6(x -3)(x -2)24.{+4≤1x2x -8>2(x +2)25.{x -3<4(x -2)≥x -12x +1326.{2≤10-4(x -3)(x +8)-<1x -124x +1627.{->x3x -322x +13<112[x -2(x +3)]28.{x -3>1-x x -5>5-x 2x -4>x 229.4≤<73x -2-230.2x -1≤x -5≤4-x 3231.y -≤+13y -832(10-y )732.>(1-)(+1)(1+y 3)(+1y 2)y -22y 233.{3x -2<82x -1>234.{5-7x ≥2x -41-<0.534(x -1)35.2x <1-x ≤x +536.{3<2(x +9)(1-x)-≤-14x -30.5x +40.237.{-3x ≤04x +7>038.{x -1<x122x -4>3x +339.{2x -5<3x >x -22x 340.{->-1x 2x 32-3>-6(x -3)(x -2)41.{+4≤1x 2x -8>2(x +2)42.{5x -3≥2x <43x -1243.{2x +7>3x -1≥0x -2544.{>x -11+2x34<3x -4(x -1)45.-1<<1-2-3x446.{2-1≥3(x +1)4+x <747.{2x -1≥3(x -2)-2x <448.{3x +1>x +32x -1<x +149.{x +3>42x <650.{2x -5≥3(x -1)-<1x 3x -1251.{x<2x +13x -2≤4(x -1)52.{x +3>02+3≥3x(x -1)53.{3x +1<2(x +2)-x ≤x +2135354.{>0x +132≥6(x -1)(x +5)55.{5x -9<3(x -1)1-x ≤x -1321256.{2≤5x +5(x -3)4x <3x +157.{2x +3≤x +6>x +22x +3358.{-3≤4-x(x -2)>x -11+2x359.{4x -3<5x +≤x-42x +261360.{<212(x +4)x -3>5(x -1)61.{x ->-31+3x 25x -12≤2(4x -3)62.{1-2(x -1)≤5<x +3x -221263.{+3>x +1x -321-3≤8-x(x -1)解不等式不等式组100题64.{5x +2>3(x -1)7-x ≥x -1321265.{2<x +4(x +2)≥x 3x +1466.{2x +5≤3(x +2)x -1<x2367.{3≥x +4(x +2)<1x -1268.{2-x >0+1≥5x +122x -1369.{-3x ≤5616(x +5)2-9x >5[x -2(x -3)](x +19)70.{3x -2≤x +6+1>x 5x -2271.{2x +2≥3x +3-<-2x-13x +4272.{5x +3(x -2)≤10>x -11+3x273.{+2≥xx -241-3<9-x (x -2)74.{5x -2>3(x +1)x -1≤7-x 123275.{4x -10<05x +2>3x11-2x ≥1+3x 76.{-≤12x -135x +125x -1<3(x +1)77.{2x -3<1+2≥-x x -1278.{3+4<5x (x -2)-x ≥3x +1x -1279.{x -3(x -2)≥4<2x -15x +1280.{>2+x 22x -135-2≤x -1(x -3)81.{5x -2<3x +4>-x x +8382.{10-4(x -3)≥2(x -1)x -1>1-2x383.{5x -2<3(x +1)≤x -222x +3384.{3>2(x +9)(1-x)-≤-14x -30.5x +40.285.{2-x >0+1≥5x +122x -1386.{-3-<8(x +1)(x -3)-≤12x +131-x287.{5x -2≤3(x +1)x -1≤7+x 123288.{1-≤x +2x +12x >x (x +3)(x +1)89.{-≤12x -135x +125x -1<3(x +1)90.{5x +4<3(x +1)≥x -122x -1591.{2x +7>3x -1≥0x -2592.{1-2(x -1)≤5<x +3x -221293.{2≤3x +3(x +2)<x 3x +1494.{3x -1<2(x +1)≥1x +3295.{3x -2>x +2x -1≤7-x 123296.{3x -1<2x +11-2≤3+5(x -1)(x +1)97.{x -(2x -1)≤432>2x -11+3x298.{+3<x -1x -231-3≥6-x(x +1)99.{2x -1≥03x +1>03x -2<0100.≤5|-2x +13|解不等式不等式组100题答案12345678910x >32x ≥133x <-4x ≥-15x >4y ≥6x ≥34x <185y ≤35x >-36711121314151617181920x ≥35x ≤9x <-203y <3x <95x <3x <65x >152x ≥-572y >33821222324252627282930x >12x >6-6<x <6x <-121<x ≤4-10<x ≤1无解x >8-4<x ≤-2x ≤-431323334353637383940y ≤256y >65<x <32103无解-2≤x <13x >-3x ≥0无解x >6-6<x <641424344454647484950x <-121≤x <32≤x <8x <0-2<x <231≤x <3-2<x ≤51＜x ＜21＜x ＜3-3<x ≤-251525354555657585960-1<x ≤2-3<x ≤1-1≤x <3-1<x ≤41≤x <3-<x <11130<x ≤31≤x <4-3<x ≤3X <-161626364656667686970-2≤x <5-1≤x <3-2≤x <1-<x ≤452无解-1≤x <31≤x <3-1≤x <20≤x <40<x ≤471727374757677787980-2<x ≤-1-3<x ≤8-<x ≤212<x ≤452-1<x ≤2-1≤x <2-1≤x <2-1<x ≤-37-7<x ≤14≤x <881828384858687888990-2<x <3<x ≤445-12≤x <52-4≤x <-3-1≤x <2-2<x ≤1-8≤x ≤52-1≤x <0-1≤x <2无解9192939495969798991002≤x <8-1≤x <31≤x <3-1≤x <32<x ≤4﹣1≤x <2﹣≤x <354无解≤x <1223-7≤x ≤8。