(1) (x+30)×8=320
(2) 26+x-59=63
(3) x÷8+6=8
(4) 68-x-34=14
(5) 12x+18x=210
(6) (34-x)×12=204
(7) 14x-5x=243
(8) x÷3-10=25
(9) (x-13)×20=20
(10) 6×13-x=49
(11) x÷10+26=36
(12) 47+x-83=32
(13) x-13+35=92
(14) (x+46)×2=132
(15) 9x×9=405
(16) 34-x+52=44
(17) (x-4)×14=210
(18) 25-x+84=91
(19) 8x+30x=950
(20) (18-x)×9=36
(21) 21x+11x=608
(22) (x+2)×17=442
(23) (24+x)×18=738
(24) (43-x)×11=429
(25) 24x+21x=630
(26) (x-4)×6=42
(27) x+75-66=97
(28) 13×8-x=68
(29) (x-20)×17=17
(30) x÷9+44=53
(31) 7x×6=798
(32) x÷2+33=42
(33) x-5+31=61
(34) 51-x-18=7
(35) x÷8-30=2
(36) 45+x+38=181
(37) x-34-37=29
(38) x+31-81=20
(39) 18x+16x=714
(40) 34+x+65=187
(41) 12x-10x=14
(42) 21x-7x=224
(43) 34-x+55=40
(44) x÷9+11=16
(45) x÷6+34=39
(46) 10x×8=240
(47) (23+x)×14=462
(48) x÷5+40=44
(49) x÷3-8=40
(50) 12x-8x=120
(51) 23+x-44=77
(52) 25x+5x=270
(53) 48-x+78=108
(54) (x+4)×11=231
(55) 11+x+75=99
(56) (12+x)×10=170
(57) x-12-20=42
(58) 56+x+12=73
(59) x+6+71=163
(60) x+43+7=78
(61) 3×13-x=5
(62) x-11-67=6
(63) 16×11-x=149
() x÷9-30=5
(65) x÷7-10=18
(66) (x-2)×5=60
(67) (33-x)×6=114
(68) 28+x+33=72
(69) 18x+7x=475
(70) x+49+38=171
(71) (32+x)×15=810
(72) 4x×4=624
(73) 10x+24x=748
(74) 37+x+39=154
(75) (x+2)×13=117
(76) 65-x-37=21
(77) 15x+30x=945
(78) (x-6)×3=18
(79) x÷9-5=29
(80) 10×4-x=16
(81) 10x×9=450
(82) (x+23)×16=432
(83) x+65-66=93
(84) 6×14-x=59
(85) 9+x-12=76
(86) 30x+20x=550
(87) x+30+73=123
(88) 21x-11x=260
() 13×13+x=195
(90) x+17-67=48
(91) x+73+6=129
(92) 57+x-35=112
(93) x+79+47=215
(94) 55-x-24=18
(95) x-48+21=33
(96) 73+x+58=195
(97) 18x-9x=180
(98) 13×16+x=237
(99) x÷5-24=5
(100) x-59+39=24
(101) 63-x-12=41
(102) 8×15-x=106
(103) x÷3+42=51
(104) 15×14-x=188
(105) x+25+31=75
(106) x+66-61=23
(107) x÷4+11=17
(108) (x+41)×12=600
(109) 3×19+x=95
(110) 75+x-22=147
(111) x÷9-24=4
(112) 16x+25x=943
(113) (x+45)×10=560
(114) (x+20)×13=507
(115) x+52-69=25
(116) (x+18)×2=54
(117) 40-x+37=72
(118) 4×20-x=69
(119) x+45-86=23
(120) 30x-27x=6
(121) 22x+9x=279
(122) x÷7-6=41
(123) 12×17-x=174
(124) x-38+41=6
(125) (45+x)×14=658
(126) x÷3+22=24
(127) x÷4-33=4
(128) x÷4+14=17
(129) 55+x+45=157
(130) 2x×4=80
(131) 10×14-x=112
(132) 9x+30x=156
(133) 20×7-x=119
(134) 23x-5x=144
(135) 17x+7x=144
(136) (x+36)×19=912
(137) (48+x)×10=500
(138) 4×10-x=23
(139) 20×16+x=343
(140) x+44-55=38
(141) x+5+75=179
(142) x-73+78=60
(143) (22+x)×20=580
(144) x÷4-20=13
(145) 19x-9x=160
(146) x÷10-27=18
(147) 28x+28x=1400
(148) x+65-24=43
(149) x-40-37=1
(150) x+30-41=22
(151) 7x+5x=48
(152) (27+x)×20=1120
(153) (x+37)×9=513
(154) 18x+22x=960
(155) (39+x)×14=588
(156) (x+27)×9=315
(157) x-4-39=33
(158) x-24-13=42
(159) 9×18+x=198
(160) x÷9+42=51
(161) x÷7+31=33
(162) (12+x)×3=42
(163) x+71-36=100
(1) 29+x-90=21
(165) x÷7-14=25
(166) 26+x+69=179
(167) 13+x+29=131
(168) (46+x)×10=580
(169) x÷7-38=12
(170) 6x×9=1620
(171) x-10-71=17
(172) (x+27)×8=248
(173) 25x+24x=343
(174) x÷2+45=53
(175) x÷10+20=29
(176) 7×11-x=49
(177) 77+x-31=120
(178) 75-x+69=44
(179) x-53+40=69
(180) (23-x)×14=70
(181) 52-x+20=41
(182) 16×6-x=65
(183) (49+x)×15=975
(184) (44+x)×10=530
(185) (x-17)×18=72
(186) (x+11)×5=85
(187) 7+x+24=58
(188) 23x-12x=110
(1) 16x-10x=96
(190) 17×20+x=353
(191) 55-x-11=34
(192) 10x×9=990
(193) 6x×6=1332
(194) 67+x-32=67
(195) 11×15-x=133
(196) x-10+50=115
(197) x÷3+21=27
(198) x-4+40=46
(199) x+35+78=213
(200) 8x×6=960
(201) x÷9-9=37
(202) x÷3+28=36
(203) (x+7)×20=460
(204) 41-x+70=21
(205) (49-x)×4=168
(206) (x+3)×14=252
(207) (x-6)×3=60
(208) x÷3+49=53
(209) 2×3+x=22
(210) 17x-6x=297
(211) 6x+23x=667
(212) (25+x)×18=756
(213) (x+38)×7=357
(214) (x+47)×12=720
(215) 25x+28x=1272
(216) x+58-10=101
(217) (34-x)×18=504
(218) (x+14)×4=140
(219) (45-x)×14=378
(220) 37+x-67=11
(221) (15+x)×7=203
(222) x+58+49=122
(223) x÷7+37=40
(224) 73+x+63=214
(225) 19x-16x=57
(226) 10x×9=2610
(227) (27+x)×4=208
(228) (7+x)×5=150
(229) (x+45)×17=799
(230) (x+26)×6=192
(231) 26x+25x=510
(232) x-50+47=37
(233) x÷3+44=50
(234) 28x+29x=1368
(235) 22x-11x=33
(236) 71-x+67=51
(237) 13x+25x=760
(238) (x-9)×15=240
(239) 4x×9=432
(240) 9×4-x=32
(241) (x+3)×16=320
(242) (x-10)×18=18
(243) x+38+42=117
(244) 8x+28x=252
(245) 9×18-x=151
(246) (47-x)×11=253
(247) x-52+51=2
(248) (x+30)×15=690
(249) x+42-38=70
(250) 2x×5=220
(251) x÷5-15=27
(252) x÷6-38=9
(253) x-18-20=61
(254) (x-12)×7=63
(255) +x-85=48
(256) 8×3+x=55
(257) 78-x+10=58
(258) 33-x+72=84
(259) 58-x+32=34
(260) 18x-14x=12
(261) 16×15+x=2
(262) 7x×4=308
(263) 2×7+x=25
(2) 7×9+x=99
(265) (26+x)×16=768
(266) x÷5-32=10
(267) (29-x)×12=156
(268) x+49-57=5
(269) (x+28)×9=333
(270) 8x×2=272
(271) 24x-21x=39
(272) (39+x)×13=6
(273) 49+x+35=107
(274) (x-19)×15=30
(275) 20x-12x=200
(276) 14x-12x=30
(277) (x+11)×10=350
(278) 31-x-5=9
(279) 20-x+52=27
(280) x-16+85=145
(281) 10x+23x=957
(282) x+67-7=144
(283) 75-x-16=33
(284) (x+36)×20=1100
(285) (37+x)×4=160
(286) 24+x+10=134
(287) (49+x)×5=390
(288) 72-x-18=33
(2) (27+x)×10=350
(290) 19×11+x=229
(291) (x+18)×8=352
(292) (x+2)×8=240
(293) 30+x+8=92
(294) (10+x)×18=8
(295) 7x-5x=52
(296) x+79+65=162
(297) 21+x-66=53
(298) x+46+65=209
(299) 25-x+9=23
(300) x-70+17=13
(301) 14x+28x=1092
(302) x+47+70=202
(303) (45-x)×20=580
(304) (x+42)×10=620
(305) 11x+10x=336
(306) x÷8+27=30
(307) 20×5-x=60
(308) x÷9-21=12
(309) x+54+83=199
(310) x-71+67=90
(311) x+34+77=209
(312) x-78+46=24
(313) 33+x+48=119
(314) (x+16)×4=108
(315) 26+x+19=131
(316) 17×17+x=313
(317) 16×17-x=269
(318) x÷10-22=13
(319) 28+x-34=2
(320) 18×11-x=194
(321) 43+x-85=0
(322) 11x-8x=33
(323) 5×20-x=69
(324) x-3+52=128
(325) x+49+6=129
(326) 14-x+26=32
(327) (x+14)×17=493
(328) (3+x)×10=310
(329) 48-x+6=14
(330) (x+15)×12=288
(331) 8×17+x=149
(332) (x+24)×6=288
(333) 74-x-50=17
(334) 52-x-16=13
(335) (45+x)×15=870
(336) 52-x-10=14
(337) (25+x)×2=56
(338) (x+20)×15=720
(339) (6+x)×14=434
(340) x-69+61=31
(341) 42+x-26=27
(342) (x-8)×20=140
(343) 48+x-18=37
(344) (24-x)×15=270
(345) (x-9)×3=51
(346) x-17+46=63
(347) 76-x+39=103
(348) (x-4)×7=56
(349) 15×9+x=149
(350) 6-x+84=51
(351) 73+x+17=1
(352) (4+x)×10=300
(353) x+26-30=73
(354) 45-x+30=45
(355) x÷7-8=41
(356) (x-15)×14=112
(357) (x+47)×20=1220
(358) 13×19-x=229
(359) (x-19)×11=11
(360) (x+21)×18=450
(361) (9-x)×16=80
(362) (21+x)×6=228
(363) x+-69=46
(3) 11×13-x=125
(365) 32-x+78=88
(366) x÷6+10=18
(367) 25x+5x=180
(368) (x+14)×3=114
(369) 19×16-x=284
(370) 5x+17x=396
(371) (x-13)×4=4
(372) 13×20-x=230
(373) 26-x+74=29
(374) 79+x-78=
(375) (x+5)×2=56
(376) x÷9+45=47
(377) 15x+26x=1148
(378) 20×2-x=35
(379) (x+6)×11=165
(380) 15×10-x=131
(381) x+27+13=78
(382) (3+x)×14=154
(383) (22+x)×10=460
(384) 9-x+81=16
(385) 5×20-x=77
(386) (x+36)×3=171
(387) (x+24)×8=400
(388) 11×5+x=91
(3) 57+x-39=79
(390) 57+x+14=140
(391) (40-x)×16=304
(392) x÷7-43=5
(393) x-62+46=78
(394) 60-x+60=104
(395) 25x+23x=1440
(396) (45-x)×3=99
(397) (48-x)×4=1
(398) (29+x)×7=273
(399) x÷4-5=31
(400) x÷5+21=27
北师大版数学四年级下册简易方程练习400题答案
(1) x=10
(2) x=96
(3) x=16
(4) x=20
(5) x=7
(6) x=17
(7) x=27
(8) x=105
(9) x=14
(10) x=29
(11) x=100
(12) x=68
(13) x=70
(14) x=20
(15) x=5
(16) x=42
(17) x=19
(18) x=18
(19) x=25
(20) x=14
(21) x=19
(22) x=24
(23) x=17
(24) x=4
(25) x=14
(26) x=11
(27) x=88
(28) x=36
(29) x=21
(30) x=81
(31) x=19
(32) x=18
(33) x=35
(34) x=26
(35) x=256
(36) x=98
(37) x=100
(38) x=70
(39) x=21
(40) x=88
(41) x=7
(42) x=16
(43) x=49
(44) x=45
(45) x=30
(46) x=3
(47) x=10
(48) x=20
(49) x=144
(50) x=30
(51) x=98
(52) x=9
(53) x=18
(54) x=17
(55) x=13
(56) x=5
(57) x=74
(58) x=5
(59) x=86
(60) x=28
(61) x=34
(62) x=84
(63) x=27
() x=315
(65) x=196
(66) x=14
(67) x=14
(68) x=11
(69) x=19
(70) x=84
(71) x=22
(72) x=39
(73) x=22
(74) x=78
(75) x=7
(76) x=7
(77) x=21
(78) x=12
(79) x=306
(80) x=24
(81) x=5
(82) x=4
(83) x=94
(84) x=25
(85) x=79
(86) x=11
(87) x=20
(88) x=26
() x=26
(90) x=98
(91) x=50
(92) x=90
(93) x=
(94) x=13
(95) x=60
(96) x=
(97) x=20
(98) x=29
(99) x=145
(100) x=44
(101) x=10
(102) x=14
(103) x=27
(104) x=22
(105) x=19
(106) x=18
(107) x=24
(108) x=9
(109) x=38
(110) x=94
(111) x=252
(112) x=23
(113) x=11
(114) x=19
(115) x=42
(116) x=9
(117) x=5
(118) x=11
(119) x=
(120) x=2
(121) x=9
(122) x=329
(123) x=30
(124) x=3
(125) x=2
(126) x=6
(127) x=148
(128) x=12
(129) x=57
(130) x=10
(131) x=28
(132) x=4
(133) x=21
(134) x=8
(135) x=6
(136) x=12
(137) x=2
(138) x=17
(139) x=23
(140) x=49
(141) x=99
(142) x=55
(143) x=7
(144) x=132
(145) x=16
(146) x=450
(147) x=25
(148) x=2
(149) x=78
(150) x=33
(151) x=4
(152) x=29
(153) x=20
(154) x=24
(155) x=3
(156) x=8
(157) x=76
(158) x=79
(159) x=36
(160) x=81
(161) x=14
(162) x=2
(163) x=65
(1) x=82
(165) x=273
(166) x=84
(167) x=
(168) x=12
(169) x=350
(170) x=30
(171) x=98
(172) x=4
(173) x=7
(174) x=16
(175) x=90
(176) x=28
(177) x=74
(178) x=100
(179) x=82
(180) x=18
(181) x=31
(182) x=31
(183) x=16
(184) x=9
(185) x=21
(186) x=6
(187) x=27
(188) x=10
(1) x=16
(190) x=13
(191) x=10
(192) x=11
(193) x=37
(194) x=32
(195) x=32
(196) x=75
(197) x=18
(198) x=10
(199) x=100
(200) x=20
(201) x=414
(202) x=24
(203) x=16
(204) x=90
(205) x=7
(206) x=15
(207) x=26
(208) x=12
(209) x=16
(210) x=27
(211) x=23
(212) x=17
(213) x=13
(214) x=13
(215) x=24
(216) x=53
(217) x=6
(218) x=21
(219) x=18
(220) x=41
(221) x=14
(222) x=15
(223) x=21
(224) x=78
(225) x=19
(226) x=29
(227) x=25
(228) x=23
(229) x=2
(230) x=6
(231) x=10
(232) x=40
(233) x=18
(234) x=24
(235) x=3
(236) x=87
(237) x=20
(238) x=25
(239) x=12
(240) x=4
(241) x=17
(242) x=11
(243) x=37
(244) x=7
(245) x=11
(246) x=24
(247) x=3
(248) x=16
(249) x=66
(250) x=22
(251) x=210
(252) x=282
(253) x=99
(254) x=21
(255) x=69
(256) x=31
(257) x=30
(258) x=21
(259) x=56
(260) x=3
(261) x=24
(262) x=11
(263) x=11
(2) x=36
(265) x=22
(266) x=210
(267) x=16
(268) x=13
(269) x=9
(270) x=17
(271) x=13
(272) x=14
(273) x=23
(274) x=21
(275) x=25
(276) x=15
(277) x=24
(278) x=17
(279) x=45
(280) x=76
(281) x=29
(282) x=84
(283) x=26
(284) x=19
(285) x=3
(286) x=100
(287) x=29
(288) x=21
(2) x=8
(290) x=20
(291) x=26
(292) x=28
(293) x=54
(294) x=26
(295) x=26
(296) x=18
(297) x=98
(298) x=98
(299) x=11
(300) x=66
(301) x=26
(302) x=85
(303) x=16
(304) x=20
(305) x=16
(306) x=24
(307) x=40
(308) x=297
(309) x=62
(310) x=94
(311) x=98
(312) x=56
(313) x=38
(314) x=11
(315) x=86
(316) x=24
(317) x=3
(318) x=350
(319) x=8
(320) x=4
(321) x=42
(322) x=11
(323) x=31
(324) x=79
(325) x=74
(326) x=8
(327) x=15
(328) x=28
(329) x=40
(330) x=9
(331) x=13
(332) x=24
(333) x=7
(334) x=23
(335) x=13
(336) x=28
(337) x=3
(338) x=28
(339) x=25
(340) x=39
(341) x=11
(342) x=15
(343) x=7
(344) x=6
(345) x=26
(346) x=34
(347) x=12
(348) x=12
(349) x=14
(350) x=39
(351) x=99
(352) x=26
(353) x=77
(354) x=30
(355) x=343
(356) x=23
(357) x=14
(358) x=18
(359) x=20
(360) x=4
(361) x=4
(362) x=17
(363) x=51
(3) x=18
(365) x=22
(366) x=48
(367) x=6
(368) x=24
(369) x=20
(370) x=18
(371) x=14
(372) x=30
(373) x=71
(374) x=63
(375) x=23
(376) x=18
(377) x=28
(378) x=5
(379) x=9
(380) x=19
(381) x=38
(382) x=8
(383) x=24
(384) x=74
(385) x=23
(386) x=21
(387) x=26
(388) x=36
(3) x=61
(390) x=69
(391) x=21
(392) x=336
(393) x=94
(394) x=16
(395) x=30
(396) x=12
(397) x=7
(398) x=10
(399) x=144
(400) x=30