莫文蔚的歌-上学的路上

2021年1月5日发(作者：费致德)

X+15=30 2X+8=20 20-2X=6 2X+9=31


4.5X-X=28 X-5.7=2.15 5X-2X=18 3X+0.7=5




3.5×2=4.2+X




16.9÷X=0. 3



1.8 +6X=54

23X-14X=14



5X+X=9
26×1.5=2X+10 0.5×16-16×0.2=4X
23X=14X+14 X+14X=65
6.7X-60.3=6.7 9+4X =40
X+7X=8 9X-3X=6
X-8=6X 45X=20
139.25-X=0.403
3-5X=80
2X+8=16
6X-8=4
2X-6=12

7X+7=14 6X-6=0 5X+6=11 2X-8=10




3X+7=28



3X-8=30



2X+16=19

5-8X=4




3X-7=26
6X+6=12
5X+8=19
7X+8=15
9X-X=16
3X-3=1
14-6X=8
9-2X=1
24X+X=50
5X-3X=4
15+6X=27
4+5X=9

10-X=8 8X+9=17 9+6X=14 2X+9=17




8-4X=6 6X-7=12 7X-9=8 X-56=1



8-7X=1



9X=18



X+4+8=23

3X 0.7=5




X-30=12
4X-18=13
7X-12=8
3.5×2= 4.2 X
6X-21=21
5X+9=11
X-5.7=2.15
26×1.5= 2X
6X-3=6
6-2X=11
5X-2X=18
9.25-X=0.403

16.9÷X=0.3 X÷0.5=2.6 3-5X=80 1.8-6X=54



6.7X-60.3=6.7 9+4X=40 0.2X-0.4+0.5=3.7 12-4X=20



9.4X-0.4X=16.2 12X＋34X=46



12＋34X=56 22-14X=12


35-5X=10 5（X-6）=20 10



3(X-9)=33 54-X=24



12÷X=0.3 6.75 -X=1.68

18X-14X=12 23 X-5×14=14
X-0.8X=6 12x-8x=4.8
（9-X）=20 6(X-3)=12
7X=49 126÷X=42
0.7X=4.2 0.7X+6×5=37

(10 X-25)÷5=15 2X -7.5 = 8.5 7.9X -X = 8.97 13(X + 5 ) = 169




2X+8=16



6X-8=4


X-8=6X



9X-3X=6



4÷5X=20

X÷5=10
5X+X=9
4÷5X=20
6X-8=4
2X-6=12
X+7X=8
X÷5=10
2X-6=12
5X+X=9
X-8=4
9X-3X=6
X+7X=8
2X+8=16
X-8=6 X
X-5÷6=7




1÷2

7X+7=14 6X-6=0 5X+6=11 2X-8=10




3X+7=28



6÷7X-8=4

5X-3X=4



15+6X=27




6X-6=0
3X-7=26
3X-8=30
2X+16=19
5-8X=4
5X+6=11
9X-X=16
6X+6=12
5X+8=19
7X+8=15
2X-8=10
24X+X=50
3X-3=1
14-6X=8
7X+7=14
2X-8=4

X-5÷6=7 3X+7=28 3X-7=26 9X-X=16



24X+X=50



3X-3=1

14-6X=8




9-2X=1




6÷7X-8=4
5X-3X=4
15+6X=27
4+5X=9
3X-8=30
2X+16=19
5-8X=4
10-X=8
6X+6=12
5X+8=19
7X+8=15
8X+9=17

9+6X=14 X+9X=4+7 2X+9=17 8-4X=6



6X-7=12 7X-9=8 X-56=1 8-7X=1



X-30=12



4X-18=13

X+4+8=23




9.25-X=0.403



3 -5X=80
6X-21=21
5X+9=11
7X-12=8
16.9÷X=0. 3
1.8- 6X=54
6X-3=6 9X=18
6-2X=11 26×1.5= 2X
X-5.7=2.15 5X-2X=18
X÷0.5=2.6 X+13=33
6.7X-60.3=6.7 9 +4X =40

0.2X-0.4+0.5=3.7 9.4X-0.4X=16.2 12 -4X=20 12X+34X=1



18X-14 X= 12




23 X-14 X= 14

5X-2X=30



1.2X-0.5X=6.3



71X+3=124

23 X-5×14 = 14 12 +34 X=56 22-14 X= 12
X+14 X= 65 23 X=14 X +14 30X-12X-14X=1
89X-43X=9.2 5X-45=100 40X+61=223
23.4=2X=56 4X-X=48.6 247X+114=37
35X+103=171 239X+51=119 187X+255=67

135X+203=15 83X+151=219 31X+99=167 137X+43=111




235X+47=115




79X+199=116

22X+90=158



70X+138=206



118X+186=254

183X+251=63 131X+199=11 79X+147=215
179X+247=59 127X+195=7 74X+142=210
226X+38=106 174X+242=54 122X+190=2
71X+191=107 128X+34=102 170X+238=50
163X+24=190 198X+78=93 57X+172=78

66X+134=202 14X+82=150 218X+30=98 166X+234=46




146X+214=26



100X+6=74

242X+54=122



221X+33=101




13X+81=149
94X+162=230 42X+110=178 42X+162=79
90X+158=226 38X+106=174
239X+100=10 17X+153=169 133X+248=154
222X+86=2 23X+185=253 65X+133=201
217X+29=97 218X+82=254 19X+181=249

142X+210=22

61X+129=197 9X+77=145 6X+123=33 41X+177=193



156X+15=177



89X+157=225

137X+205=17




169X+33=206




245X+57=125 245X+110=26
37X+105=173 37X+157=74
134X+251=161 169X+48=64
227X+133=201 13X+81=149
47X+209=21
95X+1=69
28X+143=49
217X+29=97

214X+74=240 248X+128=144 107X+222=128 249X+113=29



50X+212=24 145X+9=181 202X+108=176 244X+56=124



241X+102=12



78X+240=52

13X+130=40




106X+12=80



232X+96=13
20X+156=172
120X+188=256
48X+184=199
197X+58=224
34X+196=8
135X+250=156
120X+241=157
163X+22=184
232X+112=127
128X+248=165
20X+141=57
178X+84=152
48X+168=85
91X+206=112
186X+92=160

21X+138=48 55X+191=207 171X+30=192 56X+176=92



113X+19=87




135X+15=31

115X+251=11



11X+132=48



106X+17=28

208X+72=244
47X+214=224
230X+89=251
69X+231=43
49X+211=23
9X+171=239 100X+217=127
245X+151=219 80X+197=107
115X+236=152 173X+79=147
160X+21=187 195X+75=90
143X+7=180 250X+205=115

123X+3=18 34X+201=212 233X+139=207 68X+185=95




103X+238=254




158X+112=22

235X+99=15



117X+72=238



194X+59=231

14X+181=192 213X+119=187 51X+171=88
30X+166=182 198X+109=119 140X+46=114
85X+40=206 214X+94=110 126X+37=47
246X+126=142 157X+69=79 100X+6=74
(0.5+X)+X=9.8÷2 2(X+X+0.5)=9.8 25000+X=6X

450+5X+X=3200 X-0.8X=6 12X-8X=4.8 1.2X=81.6




X+5.6=9.4



15X =3

18(X-2)=270



30÷X+25=85




X+2X+18=78
X-0.7X=3.6
3X-8=16
12X=300-4X
1.4×8-2X=6
(200-X)÷5=30
91÷X =1.3
7(X-2)=2X+3
7X+5.3=7.4
6X-12.8×3=0.06
3(X+0.5)=21
X+8.3=10.7
3X+9=27
3X÷5=4.8
410-3X=170
0.5X+8=43

6X-3X=18 1.5X+18=3X 0.273÷X=0.35 (X-140)÷70=4



1.8X=0.972



48-27+5X=31

7(6.5+X)=87.5




12X-8X=4.8




X÷0.756=90
10.5+X+21=56
(27.5-3.5)÷X=4
7.5*2X=15
9X-40=5 X÷5+9=21
0.1(X+6)=3.3×0.4 4(X-5.6)=1.6
2(X+X+0.5)=9.8 X-0.7X=3.6
1.2X=81.6 X+5.6=9.4

91÷X =1.3 X+8.3=10.7 15X =3 3X-8=16



3X+9=27 8(X-2) =270 7X+5.3=7.4 3X÷5=4.8



30÷X+25=85



3(X+0.5)=21

5×3-X÷2=8




9X-40=5



X+2X+18=78
1.4×8-2X=6
0.5X+8=43
0.273÷X=0.35
X÷5+9=21
(200-X) ÷5=30
6X-12.8×3=0.06 410-3X=170
6X-3X=18 1.5X+18=3X
1.8X=0.972 X÷0.756=90
48-27+5X=31 10.5+X+21=56
(X-140)÷70=4 0.1(X+6)=3.3×0.4

4(X-5.6)=1.6 7(6.5+X)=87.5 (27.5-3.5)÷X=4 X+19.8=25.8



5.6X=33.6 9.8-X=3.8 75.6÷X=12.6 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 0.3×7+4X=12.5 X÷1.5-1.25=0.75 4X-1.3×6=2.6



20-9X=1.2×6.25 (X-3) ÷2=7.5 6X+12.8=15.8 150×2+3X=690



2X-20=4 3X+6=18 2(2.8+X) =10.4 13.2X+9X=33.3

3X=X+100 X+4.8=7.2 6X+18=48 3(X+2.1)=10.5




12X-9X=8.7



42X+25X=134


9X+4×2.5=91



5X-45=100



X-77=275

13(X+5)=169
1.5(X+1.6)=3.6
4.2 X+2.5X=134
1.2X-0.5X=6.3
X-77=144
2X-97=34.2
2(X-3)=5.8
10.5X+6.5X=51
23.4=2X=56
X ÷7=9
3.4X-48=26.8
65X+7=42
89X-43X=9.2
4X-X=48.6
X÷4.4=10

X÷78=10.5 X÷2.5=100 X÷3=33.3 X÷2.2=8




9-X=4.5




77-X=21.9



9÷X=0.03



3×(X-4)=46

12X+8X=40

73.2-X=52.5
99-X=61.9
7÷X=0.001
(８+X)÷5=15
12X-8X=40
87-X=22
3.3÷X=0.3
56÷X=5
(X+5) ÷3=16
12X+X=26
66-X=32.3
8.8÷X=4.4
39÷X=3
15÷(X+0.5)=1.5
X+ 0.5X=6

X-0.2X=32 1.3X+X=26 3X+5X=48 14X-8X=12



6×5+2X=44




24-3X=3



X-6=12



3X+6=18

8X-3X=105

20X-50=50
10X×（5+1）=60
56-2X=20
16+8X=40
X-6×5=42
28+6X=88
99X=100-X
4X+2=6
2X-8=8
X+5=7
32-22X=10
X+3=18
X+32=76
4X-3×9=29
2X+3=10

X-0.8X=6 12X+8X=4.8 7(X-2)=49 4×8+2X=36



(X-2)÷3=7




3X-8=16



5×3-X=8




X÷5+9=21
3X+9=27
40-8X=5
(200-X)÷5=30
5.3+7X=7.4
X÷5=215
48-27+5X=31
3X÷5=4.8
X+25=100

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