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五年级解方程练习题180题(有答案)

时间:2020-10-28    下载该word文档
五年级解方程练习题180(有答案
五年级解方程180题有答案1(0.5+x+x=9.8÷2 22(X+X+0.5=9.8
325000+x=6x
43200=440+5X+X
5X-0.8X=6
(612x-8x=4.8
(7 7.5+2X=15
(81.2x=81.6
7x+5.6=9.4
(10x-0.7x=3.6
(1191÷x1.3

12 X+8.3=10.7
(13 15x3
(14 3x816
(15 3x+9=27
(16 18(x-2=270
(17 12x=300-4x
(18 7x+5.3=7.4
(19 3x÷5=4.8
(25 0.5x+8=43
(26 6x-3x=18
(27 7(6.5+x=87.5
1
五年级解方程练习题180(有答案
28 0.273÷x=0.35 (29 1.8x=0.972
(30 x÷0.756=90 40 20-9x=2
(41 x+19.8=25.8
(42 5.6x=33.6

(31 0.1(x+6=3.3×0.4 (32 (27.5-3.5÷x=4 (33 9x-40=5
(34 x÷5+9=21
(35 48-27+5x=31
(36 10.5+x+21=56
37 x+2x+18=78
(38 (200-x÷5=30
(39 (x-140÷70=4
43 44 45 46
47 48 49 50 512 ÷x=12.6 ×7+4x=12.5 9.8-x=3.8 75.6 5x+12.5=32.3 5(x+8=102 x+3x+10=70 3(x+3=50-x+3 5x+15=60 3.5-5x=2 0.3

五年级解方程练习题180(有答案
52 x÷1.5-1.25=0.75
53 4x-1.3×6=2.6
54 6x+12.8=15.8
55 150×2+3x=690
56 2x-20=4 57 3x+6=18
58 2(2.8+x=10.4
59 (x-3÷2=7.5
60 13.2x+9x=33.3 61 3x=x+100
62 x+4.8=7.2 63 6x+18=48

643(x+2.1=10.5
6512x-9x=8.7
6613(x+5=169
67 2x-97=34.2
683.4x-48=26.8
6942x+25x=134
701.5(x+1.6=3.6
712(x-3=5.8
7265x+7=137
73 9x+4×2.591 (74 4.2 x+2.5x134 (75 10.5x+6.5x=51
3
五年级解方程练习题180(有答案
(76 89x-43x=9.2
(77 5x-45=100
(78 1.2x-0.5x=6.3 (79 23.4=2x
(80 4x-x=48.6
(81 4.5x-x=28
(82X-5.7=2.15
835X-2X=18 843X+0.7=7 85 3.5×2= 4.2+x
(86 26×1.5= 2x+10 (87 0.5×1616×0.2=4x
(88 13 9.25X=0.403 (89 18.9÷X=0. 3 (90 23x=14x27
(91 x14x=75
(92955x80 931.8 +6x54
94 6.7x60.36.7 (95 94x53 (96 2x+8=16
(97 20x-14x=24 (98 x+7x=8
4


五年级解方程练习题180(有答案
(99 9x-3x=6 (100 6x-8=4
101 5x+x=9 102 8x-8=6x
103 45
x=20
(104 2x-6=12
(105 7x+7=14
106 6x-6=0
107 5x+6=11
108 2x-8=10
109 2.5x-8=4
110 x-34=7

(1113x+7=28
(112 3x-7=26 (113 9x-x=16
(114 24x+x=50
(115 1.2x-8=4
(116 3x-8=31 (117 6x+6=12
(118 3x-3=3
(119 5x-3x=4 (120 2x+16=19 (121 5x+8=19 (122 14-6x=8
5
五年级解方程练习题180(有答案
(123 15+6x=27
(124 5-8x=4
(125 7x+8=15
(126 9-2x=1
(127 4+5x=9
(128 10-x=8 (129 8x+9=17 (130 9+6x=15
(131 x+9x=4+7 (132 2x+9=17
(133 8-4x=6 (134 6x-7=28

(135 7x-9=20
(136 x-56=1 (137 8-7x=1
(138x-30=12
(139 6x-21=21 (140 6x-3=6
(141 9x=18
(142 4x-18=14 (143 5x+9=11 (144 17-2x=11 (145 x+4+8=23
6
五年级解方程练习题180(有答案
(146 7x-12=9 (147 X-5.7=2.15 (148 5X-2X=18
(149 3X +0.5=5
(150 3.5×2= 4 x
(151 26×1.5= 2x
(152 0.5×1616×0.1=4x (153 9.26X=0.402 (154 36.9÷X=0.3 (155 X÷0.5=2.6 (156 935x80 (157 180-6x54

(158 94x40
(159 0.2x0.40.53.7
(160 9.4x0.4x16.2 (161 924x20
(162 7x÷6=1.4 (163 16x34x=1
(164 18x14x=12 (165 3 x42÷14=15
(166 124x=56

(167 2214x=12


(168 X+8.3=10.7
7
五年级解方程练习题180(有答案
(169 5x 30 (170 x-5.6=9.4 (177 12x+8x=4.8
(178 7(x-2=49 (179 4×8+2x=36 (171 x÷0.8=90 (172 3x816 (173 3x+9=27
(174 5.3+7x=7.4 (175 3x÷5=4.8
(176 X-0.8X=6



8 ÷3=7 ÷5+9=21 ÷5=30 ÷x 1.3 (180 (x-2 (181 x (182(300-x (183 91 (184 41-3x=17
五年级解方程练习题180(有答案

五年级解方程180题答案

1(0.5+x+x=9.8÷2 0.5+2x=4.9 0.5+2x-0.5=4.9-0.5 2x=4.4 2x÷2=4.4÷2 X=2.2 22(X+X+0.5=9.8
2x+2x+1=9.8 4x+1-1=9.8-1 4x=8.8 4x÷4=8.8÷4
X=2.2 325000+x=6x 25000+x-x=6x-x
5x=25000 5x÷5=25000÷5 X=5000 43200=440+5X+X 6x+440=3200 6x+450-450=3200-440 6x=2760 6x÷6=2760÷6
X=460 5X-0.8X=6 0.2x=6 0.2x÷0.2=6÷0.2
X=30 (612x-8x=4.8 4x=4.8 4x÷4=4.8÷4 X=1.2 (7 7.5+2X=15 2x+7.5-7.5=15-7.5 2x=7.5 2x÷2=7.5÷2 X=3.75 (8 1.2x=81.6 1.2x÷1.2=81.6÷1.2
X=68

(9 x+5.6=9.4 X+5.6-5.6=9.4-5.6
X=3.8 (10x-0.7x=3.6 0.3x=3.6 0.3x÷0.3=3.6÷0.3
X=12 (1191÷x1.3 91÷x×x=1.3×x 1.3x=91 1.3x÷1.3=91÷1.3
X=70 (12 X+8.3=10.7 X+8.3-8.3=10.7-8.3
X=2.4 (13 15x3 15x÷15=3÷15
X=0.2

(14 3x816 3x-8+8=16+8 3x=24 3x÷3=24÷3 X=8 (15 3x+9=27 3x+9-9=27-9 3x=18 3x÷3=18÷3 3x=6 (16 18(x-2=270 18x-36=270 18x-36+36=270+36 18x=306 18x÷18=306÷18 X=17 (17 12x=300-4x 12x+4x=300-4x+4x 16x=300 9
五年级解方程练习题180(有答案
16x÷16=300÷16 X=18.75 (18 7x+5.3=7.4 7x+5.3-5.3=7.4-5.3 7x=2.1 7x÷7=2.1÷7 X=0.3 (19 3x÷5=4.8 3x÷5×5=4.8×5 3x=24 3x÷3=24÷3 X=8 (20 30÷x+25=85 30÷x+25-25=85-25 30÷x=60 30÷x×x=60×x 30=60x 60x÷60=30÷60 X=0.5 (21 1.4×8-2x=6 11.2-2x+2x=6+2x 11.2=6+2x 2x+6-6=11.2-6 2x=5.2 2x÷2=5.2÷2 X=2.6 (22 6x-12.8×3=0.06 6x-38.4=0.06 6x=38.46 6x÷6=38.46÷6 X=6.41 (23 410-3x=170 410-3x+3x=170+3x 170+3x=410 3x+170-170=410-170 3x=240 3x÷3=240÷3 X=80 (24 3(x+0.5=21 3x+1.5=21 3x+1.5-1.5=21-1.5 3x=19.5 3x÷3=19.5÷3
X=6.5 (25 0.5x+8=43 0.5x+8-8=43-8 0.5x=35 0.5x÷0.5=35÷0.5 X=70 (26 6x-3x=18 3x=18 3x÷3=18÷3 X=6 (27 7(6.5+x=87.5 7x+45.5=87.5 7x+45.5-45.5=87.5-45.5 7x=42 7x÷7=42÷7 X=6 (28 0.273÷x=0.35 x=0.273÷0.35 X=0.78 (29 1.8x=0.972 1.8x÷1.8=0.972÷1.8 X=0.54
(30 x÷0.756=90 x÷0.756×0.756=90×0.756 X=68.04 (31 0.1(x+6=3.3×0.4 0.1x+0.6=1.32 0.1x+0.6-0.6=1.32-0.6 0.1x=0.72 0.1x÷0.1=0.72÷0.1 X=7.2 (32 (27.5-3.5÷x=4 24÷x=4 x=24÷4 X=6 (33 9x-40=5 9x-40+40=5+40 9x=45 9x÷9=45÷9 X=5 10

五年级解方程练习题180(有答案
(34 x÷5+9=21 x÷5+9-9=21-9 x÷5=12 x÷5×5=12×5 X=60 (35 48-27+5x=31 5x+21-21=31-21 5x=10 5x÷5=10÷5 X=2 (36 10.5+x+21=56 x+31.5-31.5=56-31.5 x=24.5 (37 x+2x+18=78 3x+18-18=78-18 3x=60 3x÷3=60÷3 X=20 (38 (200-x÷5=30 (200-x÷5×5=30×5 200-x=150 200-x+x=150+x 150+x=200 X+150-150=200-150 X=50 (39 (x-140÷70=4 (x-140÷70×70=4×70 X-140=280 X-140+140=280+140 X=420 40 20-9x=2 9x=20-2 9x=18 9x÷9=18÷9 X=2 (41 x+19.8=25.8 X+19.8-19.8=25.8-19.8 X=6
(42 5.6x=33.6 5.6x÷5.6=33.6÷5.6 X=6

43 9.8-x=3.8 9.8-x+x=3.8+x 3.8+x=9.8 X=9.8-3.8 X=6 44 75.6÷x=12.6 X=75.6÷12.6 X=6 45 5x+12.5=32.3 5x+12.5-12.5=32.3-12.5 5x=19.8 5x÷5=19.8÷5 X=3.96 46 5(x+8=102 5x+40=102 5x+40-40=102-40 5x=62 5x÷5=62÷5 X=12.4 47 x+3x+10=70 4x+10=70 4x+10-10=70-10 4x=60 4x÷4=60÷4 X=15 48 3(x+3=50-x+3 3x+9=53-x 3x+x+9-9=53-x+x-9 4x=44 4x÷4=44÷4 X=11
49 5x+15=60 5x+15-15=60-15 5x=45 5x÷5=45÷5 X=9 50 3.5-5x=2 3.5-5x+5x=2+5x 5x+2=3.5 5x+2-2=3.5-2 11

五年级解方程练习题180(有答案
5x=1.5 5x÷5=1.5÷5 X=0.3 51 0.3×7+4x=12.5 4x+2.1=12.5 4x+2.1-2.1=12.5-2.1 4x=10.4 4x÷4=10.4÷4 X=2.6 52 x÷1.5-1.25=0.75 x÷1.5-1.25+1.25=0.75+1.25 x÷1.5=2 x÷1.5×1.5=2×1.5 X=3 53 4x-1.3×6=2.6 4x-1.3×6+1.3×6=2.6+1.3×6 4x=10.4 4x÷4=10.4÷4 X=2.6 54 6x+12.8=15.8 6x+12.8-12.8=15.8-12.8 6x=3 6x÷6=3÷6 X=0.5 55 150×2+3x=690 3x+300=690 3x+300-300=690-300 3x=390 3x÷3=390÷3 X=130 56 2x-20=4 2x-20+20=4+20 2x=24 2x÷2=24÷2 X=12 57 3x+6=18 3x+6-6=18-6 3x=12 3x÷3=12÷3 X=4 58 2(2.8+x=10.4

5.6+2x=10.4 2x+5.6-5.6=10.4-5.6 2x=4.8 2x÷2=4.8÷2 X=2.4 59 (x-3÷2=7.5 x-3)÷2×2=7.5×2 X-3=15 X=18 60 13.2x+9x=33.3 22.2x=33.3 22.2x÷22.2=33.3÷22.2 X=1.5 61 3x=x+100 3x-x=x-x+100 2x=100 2x÷2=100÷2 X=50 62 x+4.8=7.2 X=7.2-4.8 X=2.4 63 6x+18=48 6x+18-18=48-18 6x=30 6x÷6=30÷6 x=5 643(x+2.1=10.5 3x+6.3=10.5 3x=10.5-6.3 3x=4.2 3x÷3=4.2÷3 X=1.4 6512x-9x=8.7 3x=8.7 3x÷3=8.7÷3 X=2.9 6613(x+5=169 13x+65=169 13x+65-65=169-65 13x=104 13x÷13=104÷13 X=8 12

五年级解方程练习题180(有答案
67 2x-97=34.2 2x-97+97=34.2+97 2x=131.2 2x÷2=131.2÷2 X=65.6
683.4x-48=26.8 3.4x-48+48=26.8+48 3.4x=74.8 3.4x÷3.4=74.8÷3.4 X=22 6942x+25x=134 67x=134 67x÷67=134÷67 X=2 701.5(x+1.6=3.6 1.5x+2.4=3.6 1.5x=3.6-2.4 1.5x=1.2 1.5x÷1.5=1.2÷1.5 X=0.8 712(x-3=5.8 2x-6=5.8 2x-6+6=5.8+6 2x=11.8 2x÷2=11.8÷2 X=5.9 7265x+7=137 65x+7-7=137-7 65x=130 65x÷65=130÷65 X=2 73 9x+4×2.591 9x+10=91 9x+10-10=91-10 9x=81 9x÷9=81÷9 X=9
(74 4.2 x+2.5x134 6.7x=134 6.7x÷6.7=134÷6.7 X=20
(75 10.5x+6.5x=51 17x=51 17x÷17=51÷17 X=3 (76 89x-43x=9.2 46x=9.2 46x÷46=9.2÷46 X=0.2
(77 5x-45=100 5x-45+45=100+45 5x=145 5x÷5=145÷5 X=29 (78 1.2x-0.5x=6.3 0.7x=6.3 0.7x÷0.7=6.3÷0.7 X=9 (79 23.4=2x 2x÷2=23.4÷2 X=11.7 (80 4x-x=48.6 3x=48.6 3x÷3=48.6÷3 X=16.2 (81 4.5x-x=28 3.5x=28 3.5x÷3.5=28÷3.5 X=8 (82X-5.7=2.15

X=5.7+2.15 X=7.85 835X-2X=18 3x=18 3x÷3=18÷3 X=6 843X+0.7=7 3x+0.7-0.7=7-0.7 3x=6.3 3x÷3=6.3÷3 X=2.1 85 3.5×2= 4.2+x
4.2+x=7 13

五年级解方程练习题180(有答案
X=7-4.2 X=2.8 (86 26×1.5= 2x+10 2x+10=39 2x+10-10=39-10 2x=29 2x÷2=29÷2 X=14.5 (87 0.5×1616×0.2=4x 4x=4.8 4x÷4=4.8÷4 X=1.2 (88 13 9.25X=0.403 X=139.25-0.403 X=138.847 (89 18.9÷X=0. 3 X=18.9÷0.3 X=63 (90 23x=14x27 23x-14x=14x-14x+27 9x=27 9x÷9=27÷9 X=3 (91 x14x=75 15x=75 15x÷15=75÷15 X=5 (92955x80 95-5x+5x=80+5x 5x+80=95 5x+80-80=95-80 5x=15 X=3 931.8 +6x54 6x=54-1.8 6x=52.2 6x÷6=52.2÷6 X=8.7 94 6.7x60.36.7 6.7x=60.3+6.7 6.7x=67 6.7x÷6.7=67÷6.7 X=10
(95 94x53 4x=53-9 4x=44 4x÷4=44÷4 X=11 (96 2x+8=16 2x=16-8 2x=8 2x÷2=8÷2 X=4 (97 20x-14x=24 6x=24 6x÷6=24÷6 X=4 (98 x+7x=8 8x=8 X=1 (99 9x-3x=6 6x=6 X=1 (1006x-8=4 6x-8+8=4+8 6x=12 X=2 101 5x+x=9 6x=9 6x÷6=9÷6 x=1.5 102 8x-8=6x 8x-8+8=6x+8 8x-6x=6x-6x+8 2x=8 2x÷2=8÷2 X=4 103 45x=20 4445x÷5=20÷5
X=25 (104 2x-6=12 2x-6+6=12+6 2x=18 2x÷2=18÷2 X=9 14

五年级解方程练习题180(有答案
(105 7x+7=14 7x+7-7=14-7 7x=7 7x÷7=7÷7 X=1 106 6x-6=0 6x-6+6=0+6 6x=6 X=1 107 5x+6=11 5x+6-6=11-6 5x=5 X=1 108 2x-8=10 2x-8+8=10+8 2x=18 X=9 109 2.5x-8=4 2.5x-8+8=4+8 2.5x=12 2.5x÷2.5=12÷2.5 X=4.8 110 x-34=7 X-34+34=7+34
X=7.75 111 3x+7=28 3x+7-7=28-7 3x=21 3x÷3=21÷3 X=7 (112 3x-7=26 3x-7+7=26+7 3x=33 3x÷3=33÷3 X=11 (113 9x-x=16 8x=16 8x÷8=16÷8 X=2 (114 24x+x=50 25x=50 25x÷25=50÷25
X=2 (115 1.2x-8=4 1.2x-8+8=4+8 1.2x=12 1.2x÷1.2=12÷1.2 X=10 (116 3x-8=31 3x-8+8=31+8 3x=39 3x÷3=39÷3 X=13 (117 6x+6=12 6x+6-6=12-6 6x=6 X=1 (118 3x-3=3 3x-3+3=3+3 3x=6 3x÷3=6÷3 X=2 (119 5x-3x=4 2x=4 2x÷2=4÷2 X=2 (120 2x+16=19 2x+16-16=19-16 2x=3 2x÷2=3÷2 X=1.5 (121 5x+8=19 5x+8-8=19-8 5x=11 5x÷5=11÷5 X=2.2 (122 14-6x=8 14-6x+6x=8+6x 6x+8-8=14-8 6x=6 X=1 (123 15+6x=27 6x+15-15=27-15 6x=12 6x÷6=12÷6 15

五年级解方程练习题180(有答案
X=2 (124 5-8x=4 5-8x+8x=4+8x 8x+4-4=5-4 8x=1 8x÷8=1÷8 X=0.125 (125 7x+8=15 7x+8-8=15-8 7x=7 X=1 (126 9-2x=1 9-2x+2x=1+2x 2x+1-1=9-1 2x=8 2x÷2=8÷2 X=4 (127 4+5x=9 5x+4-4=9-4 5x=5 X=1 (128 10-x=8 X=10-8 X=2 (129 8x+9=17 8x+9-9=17-9 8x=8 X=1 (130 9+6x=15 6x+9-9=15-9 6x=6 X=1 (131 x+9x=4+7 10x=11 10x÷10=11÷10 X=1.1 (132 2x+9=17 2x+9-9=17-9 2x=8 2x÷2=8÷2 X=4 (133 8-4x=6
8-4x+4x=6+4x

4x+6-6=8-6 4x=2 4x÷2=2÷4 X=0.5 (134 6x-7=28 6x-7+7=28+7 6x=36 6x÷6=36÷6 X=6
(135 7x-9=20 7x-9+9=8+20 7x=28 7x÷7=28÷7 X=4 (136 x-56=1 X=56+1 X=57 (137 8-7x=1 8-7x+7x=1+7x 7x+1-1=8-1 7x=7 X=1
(138 x-30=12 X-30+30=12+30 X=42 (139 6x-21=21 6x-21+21=21+21 6x=42 6x÷6=42÷6 X=7 (140 6x-3=6 6x-3+3=6+3 6x=9 6x÷6=9÷6 X=1.5 (141 9x=18 9x÷9=18÷9 X=2 (142 4x-18=14 4x-18+18=14+18 4x=32 16

五年级解方程练习题180(有答案
4x÷4=32÷4 X=8 (143 5x+9=11 5x+9-9=11-9 5x=2 5x÷5=2÷5 X=0.4 (144 17-2x=11 17-2x+2x=11+2x 2x+11-11=17-11 2x=6 2x÷2=6÷2 X=3 (145 x+4+8=23 X+12=23 X=23-12 X=11 (146 7x-12=9 7x-12+12=9+12 7x=21 7x÷7=21÷7 X=3 (147 X-5.7=2.15 x=5.7+2.15 X=7.85 (148 5X-2X=18 3x=18 3x÷3=18÷3 X=6 (149 3X +0.5=5 3x+0.5-0.5=5-0.5 3x=4.5 3x÷3=4.5÷3 X=1.5 (150 3.5×2= 4 x 4x=7 4x÷4=7÷4 X=1.75 (151 26×1.5= 2x 2x=39 2x÷2=39÷2 X=18 (152 0.5×1616×0.1=4x
4x=6.4 4x÷4=6.4÷4 X=1.6 (153 9.26X=0.402 X=9.26-0.402 X=8.858 (154 36.9÷X=0.3 X=36.9÷0.3 X=123 (155 X÷0.5=2.6 X=0.5×2.6 X=1.3 (156 935x80 93-5X+5X=80+5X 5X+80-80=93-80 5X=13 5X÷5=13÷5 X=2.6 (157 180-6x54 180-6X+6X=54+6X 6X+54-54=180-54 6X=126 6X÷6=126÷6 X=21 (158 94x40 4X+9-9=40-9 4X=31 4X÷4=31÷4 X=7.75 (159 0.2x0.40.53.7 0.2X-0.5+0.5-0.4+0.4=3.7-0.5+0.4 0.2X=3.6 0.2X÷0.2=3.6÷0.2 X=18 (160 9.4x0.4x16.2 9X=16.2 9X÷9=16.2÷9 X=1.8 (161 924x20 92-4X+4X=20+4X 4X+20-20=92-20 4X=72 4X÷4=72÷4 17


五年级解方程练习题180(有答案
(162 X=18 (163 7x÷6=1.4 7x÷6×6=1.4×6 7X=8.4 7X÷7=8.4÷7 X=1.2 (163 16x34x=1 50X=1 50X÷50=1÷50 X=0.02 (164 18x14x=12
4X=12 4X÷4=12÷4 X=3 (165 3 x42÷14=15 3X-3=15 3X-3+3=15+3 3X=18 3X÷3=18÷3 X=6 (166 124x=56
4X+12-12=56-12 4X=44 4X÷4=44÷4 X=11
(167 2214x=12 22-14X+14X=12+14X 14X+12-12=54-12 14X=42 14X÷14=42÷14 X=3 (168 X+8.3=10.7 X=10.7-8.3 X=2.4 (169 5x 30 5X÷5=30÷5 X=6 (170 x-5.6=9.4 X=5.6+9.4 X=15 (171 x÷0.8=90 X=0.8×90
X=72

(172 3x816 3X-8+8=16+8 3X=24 3X÷3=24÷3 X=8 (173 3x+9=27 3X+9-9=27-9 3X=18 3X÷3=18÷3 X=6 (174 5.3+7x=7.4 7X+5.3-5.3=7.4-5.3 7X=2.1 7X÷7=2.1÷7 X=0.3 (175 3x÷5=4.8 3X=4.8×5 3X=24 3X÷3=24÷3 X=8 (176 X-0.8X=6 0.2X=6 0.2X÷0.2=6÷0.2 X=30 (177 12x+8x=4.8 20X=4.8 20X÷20=4.8÷20 X=24 (178 7(x-2=49 7X-14=49 7X-14+14=49+14 7X=63 7X÷7=63÷7 X=9 (179 4×8+2x=36 2X+32=36 2X+32-32=36-32 2X=4 2X÷2=4÷2 X=2 (180 (x-2÷3=7 X-2=3×7 X-2=21 X=23 18

五年级解方程练习题180(有答案
(181 x÷5+9=21 X÷5=21-9 X÷5=12 X=12×5 X=60 (182 (300-x÷5=30 300-X=30×5 300-X=150 X=300-150 (183 91÷x 1.3 X=91÷1.3 X=70
(184 41-3x=17 41-3X+3X=17+3X 3X+17-17=41-17 3X=24 3X÷3=24÷3 X=150


X=8 19

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