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整数方程专项练习166题(有答案)第 24 页 共 24 页(1)48x+x=98, (2) 3x7=120, (3)15x5+x=43, (4)2x+5=5x7, (5)3(x2)=25(x2), (6)4x3(20x)+4=0, (7)4x+2(8x)=26, (8)7x5x=2+12, (9)3x+7=322x, (10)2(x+2)3=3x5, (11)8(x2)=2x+8, (12)3(2x+7)=45, (13)1642+83=11x, (14)56+28x=12, (15)8X+20X=84, (16)205x=5, (17)7+2x9=0, (18)13x95=20, (19)3x5=11x, (20)3x5=x+1, (21)3(x5)=123, (22)3x164=119, (23)3(x12)+23=35 (24)7x+20=83, (25)7x+102=19, (26) 3x12=75, (27)4x3(20x)=5x (28)4x+2(79x)=192, (29)3204=450+5X+X, (30)(5+x)+x=982, (31)76(x2)=52x32 (32)3(x12)=2(x4) (33)3(x+2)=4(x+1), (34)4(x9)=8(35)8x(52x)=45 (36)6000x=3085, (37)29x=2958, (38)41600x=320, (39)183x=5418, (40)(x+5)2=108(41)4x12=38,(42) 23+4x=71 (43)3x4=30(44)915x=36(45)3x+2x=25 (46)243x=18 (47)8x+25=26 (48)6x+4x=160 (49)6x12=108 (50)9x+5x=8.4 (51)5x25=5(52)10x8x=2 (53)2x+234=134 (54)3x+x+6=26 (55)X109=27+23 (56)(569+4827)X=284 (57)100(X+100)=12000(58)x72=255 (59)38+5x=243 (60)3(5x4)=48 (61)3x+24=5x12 (62)910x=13, (63)36x16=18, (64)40x23x=105, (65)532x=196, (66)x62=438, (67)74x=9102, (68)x+634=856, (69)8x3x=155, (70)30(x4)=60,(71)7253x=12, (72 )x+175=366 (73 )2000x=1384 (74 )x14=250 (75 )45x=4680(76 )x39=200+34 (77 )3780x=18(78)532x=196 (79)x62=48 (80)74x=2812(81)4x39=29, (82)13(x+5)=169, (83)4x6=30 (84)4x2x=48 (85)5x9=25 (86)2y+3y+60=145 (87)16x2=128 (88)6x+180=330(89)13x+7=150(90)2005x=40(91)4(3x+6)=48, (92)5(x+24)=255,(93)(x12)4=4.5,(94)45x+x=368, (95)4542x=226 (96)203x=40 (97)(52+34)x=5590 (98)x43=508(99)x4.3=9.08 (100)488x=61 (101)6x35=13 (102)3812+x=54 (103)34x48=268, (104)13(X+5)=169, (105)843x=2, (106)5x2x=9.6, (107)25x2=100,(108)32x+61x=154, (109)3x+(25+15)=1600, (110)3x7=62 (111)4x425=80 (112)(x+3)2=6 (113)192X=5, (114)2X+234=134, (115)9X45=135,(116)X34=200, (117)6X+7X=650, (118)14705X=800, (119)44+X=52 (120)91X=46, (121)X16=77, (122)X29=348,(123)35X=210, (124)X327=9,(125)8640X=320,(126)840X=840,(127)420+X5=1670,(128)1224X+109=211,(129)5x21=30 (130)10+9x=199 (131)5(x+5)=355(132)6x+15=51, (133)3(x8)=27, (134)x28=82,(135)14x7x=56, (136)729=80, (137)7+5=42, (138)264+3x=363 (139)3x+2x=65 (140)2x52=8 (141)534+x=3060(142)46+3x=133(143)7x4=21(144)3x+9=15 (145)x12=6 (146)136x=60(147)x34=2924,(148)186x=2604,(149)x+723=1280,(150)8670x=15,(151)x28=147,(152)7083x=3465,(153)3x+5=20, (154)40x+20x=120, (155)405x=30, (156)7x50=160 (157)32+17x=40 (158)8x4=40 (159)915x=36 (160)8(2X7)=5(X+13), (161)3(x+4.5)=60, (162)X11=3, (163)13(X+5)=169,(164)4X97=342, (165)2X97=342, (166)4x56=12, 参考答案:(1)48x+1x=98, 49x=98, 49x=9849, x=2;(2) 3x7=120, 3x77=1207, 3x=840, 3x3=8403, x=280,(3)15x5+x=43, 16x5=43, 16x5+5=43+5, 16x=48, x=3(4)2x+5=5x7, 2x+52x=5x72x, 3x7=5, 3x7+7=5+7, 3x=12, 3x3=123, x=4;(5)3(x2)=25(x2), 3x6=125x, 3x6+5x=125x+5x, 8x6=12, 8x6+6=12+6, 8x=18, 8x8=188, x=2.25;(6)4x3(20x)+4=0, 7x56=0, 7x56+56=0+56, 7x=56, 7x7=567, x=8;(7)4x+2(8x)=26, 2x+16=26, 2x+1616=2616, 2x=10, 2x2=102, x=5(8)7x5x=2+12, 2x=14, x=7;(9)3x+7=322x, 3x+2x=327, 5x=25, x=5(10)2(x+2)3=3x5, 2x+43=3x5, 2x+1+5=3x5+5, 2x+6=3x, 2x+62x=3x2x, x=6(11)8(x2)=2x+8, 8x16+16=2x+8+16, 8x=2x+24, 8x2x=2x+242x, 6x=24, 6x6=246, x=4 (12)3(2x+7)=45, 3(2x+7)3=453, 2x+77=157, 2x2=82, x=4(13)1642+83=11x, 11x=165, 11x11=16511, x=15;(14)56+28x=12, 84x=12, 84x+x=12+x, 12+x=84, 12+x12=8412, x=72(15)8X+20X=84, x(8+20)=84, 28x=84, 28x28=8428, x=3;(16)205x=5, 205x+5x=5+5x, 5+5x=20, 5+5x5=205, 5x=15, 5x5=155, x=3(17)7+2x9=0, 7+2x9+9=0+9, 7+2x=9, 7+2x7=97, 2x=2, 2x2=22, x=1;(18)13x95=20, 13x45=20, 13x45+45=20+45, 13x=65, 13x13=6513, x=5(19)3x5=11x, 3x5+x=11x+x, 4x5+5=11+5x, 4x4=164, x=4(20)3x5=x+1, 3x5x=x+1x, 2x5=1, 2x5+5=1+5, 2x=6, 2x2=62, x=3;(21)3(x5)=123, 3(x5)3=1233, x5=41, x5+5=41+5, x=46 (22)3x164=119, 3x64=119, 3x64+64=119+64, 3x=183, 3x3=1833, x=61; (23)3(x12)+23=35 3x36+23=35 3x13=35 3x13+13=35+13 3x=48 3x3=483 x=16(24)7x+20=83, 7x+2020=8320, 7x=63, 7x7=637, x=9;(25)7x+102=19, 7x+5=19, 7x+55=195, 7x7=147, x=2;(26) 3x12=75, 3x=7512, 3x3=9003, x=300;(27)4x3(20x)=5x 4x60+3x=5x 7x60=5x 7x605x=5x5x 2x60=0 2x=60 x=30(28)4x+2(79x)=192, 4x+1582x=192, 2x+158=192, 2x+158158=192158, 2x2=342, x=17(29)3204=450+5X+X, 3204=450+6X, 3204450=450+6X450, 27546=6X6, X=459;(30)(5+x)+x=982, 5+2x=49, 5+2x5=4.95, 2x2=442, x=22(31)76(x2)=52x32 76x152=52x3276x152+152=52x32+152 76x=52x+120 76x52x=52x+12052x 24x=120 24x24=12024 x=5(32)3(x12)=2(x4) 3x36=2x8 3x36+36=2x8+36 3x=2x+28 3x2x=2x+282x x=28(33)3(x+2)=4(x+1), 3x+6=4x+4, 3x+63x=4x+43x, x+4=6, x+44=64, x=2(34)4(x9)=8 4(x9)4=84 x9=2 x9+9=2+9 x=11(35)8x(52x)=45 8x5+2x=45 10x5+5=45+5 10x10=5010 x=5(36)6000x=3085, 6000x+x=3085+x, 3085+x=6000, 3085+x3085=60003085, x=2915;(37)29x=2958, 29x29=295829, x=102;(38)41600x=320, 41600xx=320x, 320x=41600, 320x320=41600320, x=130(39)183x=5418, 183x=3, 183x+3x=3+3x, 3+3x=18, 3+3x3=183, 3x=15, 3x3=153, x=5;(40)(x+5)2=108(x+5)22=1082, x+5=216, x+55=2165, x=211;(41)4x12=38,4x12+12=38+12, 4x=36, 4x5=364, x=9(42) 23+4x=71 23+4x23=7123 4x4=484 x=12(43)3x4=303x443=3043 x=40(44)915x=36915x+5x36=3636+5x 5x5=555 x=11(45)3x+2x=25 5x=25 5x5=255 x=5(46)243x=18 243x+3x=18+3x 18+3x=24 18+3x18=2418 3x=6 3x3=63 x=2(47)8x+25=26 8x+10=26 8x+1010=2610 8x=16 8x8=168 x=2(48)6x+4x=160 10x=160 10x10=16010 x=16(49)6x12=108 6x+1212=108+12 6x=120 6x6=1206 x=20(50)9x+5x=8.4 14x=8.414x14=8.414 x=0.6(51)5x25=55x+2525=5+25 5x=30 5x2.5=305 x=6(52)10x8x=2 2x=2 2x2=22 x=1(53)2x+234=134 2x+92=134 2x+9292=13492 2x=42 2x2=422 x=21(54)3x+x+6=26 4x+66=266 4x=20 4x4=204 x=5(55)X109=27+23 X109=50 X109109=50109 X=5450;(56)(569+4827)X=284 5396X=284 5396XX=284X 284X=5396 284X284=5396284 X=19;(57)100(X+100)=12000100(X+100)100=12000100 X+100=12 X+100100=120100 X=20(58)x72=255 x72=125 x72+72=125+72 x=197(59)38+5x=243 38+5x38=24338 5x5=2055 x=41(60)3(5x4)=48 15x12=48 15x12+12=48+12 15x=60 15x15=6015 x=4;(61)3x+24=5x12 3x+243x=5x123x 2x12=24 2x12+12=24+12 2x=36 2x2=362 x=18(62)910x=13, x=91013, x=70;(63)36x16=18, 36x1616=1816, 36x=288, 36x36=28836, x=8;(64)40x23x=105, 17x=105, 17x17=10517, x=5;(65)532x=196, 532x+x=196+x, 196+x=532, 196+x196=532196, x=336;(66)x62=438, x6262=43862, x=27156;(67)74x=9102, 74x74=910274, x=23;(68)x+634=856, x+634634=856634, x=222(1)4x56=12, 4x30=12, 4x30+30=12+30, 4x=42, 4x4=424, x=10.5;(69)8x3x=155, 5x=155, 5x5=1555, x=31;(70)30(x4)=60, 30(x4)30=6030, x4=2, x44=24, x=8;(71)7253x=12, 3603x=12, 3603x+3x=12+3x, 3x+12=360, 3x+1212=36012, 3x=348, 3x3=3483, x=116(72 )x+175=366 x+175175=366175 x=191(73 )2000x=1384 2000x+x=1384+x200013.84=1384+x1384 x=616 (74 )x14=250 x1414=25014 X=3500 (75 )45x=4680 45x45=468045 x=104 (76 )x39=200+34 x39=234x3939=23439 x=6(77 )3780x=183780xx=18x 378018=18x18 x=210(78)532x=196 532x+x=196+x 196+x=532 196+x196=532196 x=336;(79)x62=48 x6262=4862 x=2976;(80)74x=2812 74x74=281274 x=38(81)4x39=29, 4x27=29, 4x27+27=29+27, 4x=56, 4x4=564, x=14;(82)13(x+5)=169, 13x+65=169, 13x+6565=16965, 13x=104, 13x13=10413, x=8(83)4x6=30 4x6+6=30+6 4x4=364 x=9;(84)4x2x=48 2x=48 2x2=482 x=24;(85)5x9=25 5x99=259 5x=225 5x5=2255 x=45;(86)2y+3y+60=145 5y+60=145 5y+6060=14560 5y=85 5y5=855 y=17(87)16x2=128 8x=128 8x8=1288 x=16;(88)6x+180=330 6x+180180=330180 6x6=1506 x=25(89)13x+7=150 13x+77=1507 13x13=14313 x=11(90)2005x=402005x5x=405x 200x=200 200x200=200200 x=1(91)4(3x+6)=48, 4(3x+6)4=484, 3x+66=126, 3x3=63, x=2;(92)5(x+24)=255, 5(x+24)5=2555, x+2424=5124, x=27;(93)(x12)4=4.5, (x12)44=4.54, x12+12=18+12, x=30;(94)45x+x=368, 46x=368, 46x46=36846, x=8(95)4542x=226 4542x+2x=226+2x 454226=226+2x226 2x=228; X=114(96)203x=40 60x+x=40+x 6040=40+x40 x=20;(97)(52+34)x=5590 86x=5590 86x86=559086 x=65;(98)x43=508 x4343=50843 x=21844;(99)x4.3=9.08 x4.3+4.3=9.08+4.3 x=13.38;(100)488x=61 488xx=61x 48861=61x61 x=8(101)6x35=13 6x35+35=13+35 6x=48 6x6=486 x=8;(102)3812+x=54 26+x=54 2626+x=5426 x=28(103)34x48=268, 34x48+48=268+48, 34x=748, 34x34=74834, x=22;(104)13(X+5)=169, 13(X+5)13=16913, x+5=13, x+55=135, x=8(105)843x=2, 323x=2, 323x+3x2=2+3x2, 30=3x, 3x=30, 3x3=303, x=10,(106)5x2x=9.6, 3x=9.6, 3x3=9.63, x=3.2,(107)25x2=100, 25x22=1002, 25x=200, 25x25=20025, x=8(108)32x+61x=154, 93x93=18693, x=2;(109)3x+(25+15)=1600, 3x+4040=160040, 3x=15603, x=520(110)3x7=62 3x7+7=62+7 3x=69 3x3=693 x=23(111)4x425=80 4x100+100=80+100 4x=180 4x4=1804 x=45(112)(x+3)2=6 (x+3)22=62 x+3=12 x+33=123 x=9(113)192X=5, 192X+2X=5+2X, 2X+5=19, 2X+55=195, 2X=14, 2X2=142, X=7;(114)2X+234=134, 2X+92=134, 2X+9292=13492, 2X=42, 2X2=422, X=21;(115)9X45=135, 9X45+45=135+45, 9X=180, 9X9=1809, X=20(116)X34=200, X34+24=200+34, X=234; (117)6X+7X=650, 13X=650, 13X13=65013, X=50;(118)14705X=800, 9805X=800, 9805X+5X=800+5X, 980=800+5X, 980800=800+5X800, 5X=180, 5X5=1805, X=36(119)44+X=52 44+X44=5244, x=8; (120)91X=46, 91X+x=46+x, 46+x=91, 46+x46=9146, x=45;(121)X16=77, X16+16=77+16, x=93;(122)X29=348, X2929=34829, x=12; (123)35X=210, 35X35=21035, x=6;(124)X327=9,X327327=9327, x=2943;(125)8640X=320, 8640xx=320x, 320x320=8640320, x=27;(126)840X=840, 840X840=840840, x=1;(127)420+X5=1670,420+X5420=1670420, 5x5=12505, x=250;(128)1224X+109=211,1224x+109109=211109, 1224xx=102x, 102x102=1224102, x=12(129)5x21=30 5x2121=3021 5x=630 5x5=6305 x=126;(130)10+9x=199 1010+9x=19910 9x=189 9x9=1899 x=21;(131)5(x+5)=3555(x+5)5=3555 x+55=715 x=66(132)6x+15=51, 6x+1515=5115, 6x=36, 6x6=366, x=6;(133)3(x8)=27, 3(x8)3=273, x8=9, x8+8=9+8, x=17;(134)x28=82,x2828=8228, x=2296;(135)14x7x=56, 7x=56, 7x7=567, x=8(136)729=80, 718+18=80+18, 7x7=987, x=14;(137)7+5=42, 7+57=427, 5x5=355, x=7(138)264+3x=363 264264+3x=363264 3x=99 3x3=993 x=33(139)3x+2x=65 5x=65 5x5=655 x=13(140)2x52=8 2x10=8 2x10+10=8+10 2x=18 x=9 (141)534+x=3060534534+x=3060534 x=2526(142)46+3x=1334646+3x=13346 3x=87 3x3=873 x=29(143)7x4=217x44=214 7x=84 7x7=847 x=12(144)3x+9=15 3x+99=159 3x=6 3x3=63 x=2; (145)x12=6 x1212=612 x=72;(146)136x=60136x+x=60+x 136=60+x 13660=60
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