五年级下册解方程250道题 五年级解方程计算题200道

www.zhiqu.org     时间: 2024-06-15

五年级解方程数学题如下:

一、3X+5X=48

二、14X-8X=12

三、6*5+2X=44

四、28+6X=88

五、32-22X=10

六、10X*(5+1)=60

七、99X=100-X

八、X-6=12

九、56-2X=20

十、x+32=76

十一、3x+6=18

十二、2x-8=8

十三、4x-3*9=29

十四、x-6*5=42

十五、x+5=7

十六、12x-9x=9

十七、6x+18=48



题:10 x + 90 = 290
10 x = 290-90
x= 200/10
x= 20
题:10 x + 91 = 291
10 x = 291-91
x= 200/10
x= 20
题:10 x + 92 = 292
10 x = 292-92
x= 200/10
x= 20
题:10 x + 93 = 293
10 x = 293-93
x= 200/10
x= 20
题:10 x + 94 = 294
10 x = 294-94
x= 200/10
x= 20
题:10 x + 95 = 295
10 x = 295-95
x= 200/10
x= 20
题:10 x + 96 = 296
10 x = 296-96
x= 200/10
x= 20
题:10 x + 97 = 297
10 x = 297-97
x= 200/10
x= 20
题:10 x + 98 = 298
10 x = 298-98
x= 200/10
x= 20
题:10 x + 99 = 299
10 x = 299-99
x= 200/10
x= 20
题:10 x + 90 = 300
10 x = 300-90
x= 210/10
x= 21
题:10 x + 91 = 301
10 x = 301-91
x= 210/10
x= 21
题:10 x + 92 = 302
10 x = 302-92
x= 210/10
x= 21
题:10 x + 93 = 303
10 x = 303-93
x= 210/10
x= 21
题:10 x + 94 = 304
10 x = 304-94
x= 210/10
x= 21
题:10 x + 95 = 305
10 x = 305-95
x= 210/10
x= 21
题:10 x + 96 = 306
10 x = 306-96
x= 210/10
x= 21
题:10 x + 97 = 307
10 x = 307-97
x= 210/10
x= 21
题:10 x + 98 = 308
10 x = 308-98
x= 210/10
x= 21
题:10 x + 99 = 309
10 x = 309-99
x= 210/10
x= 21
题:10 x + 90 = 310
10 x = 310-90
x= 220/10
x= 22
题:10 x + 91 = 311
10 x = 311-91
x= 220/10
x= 22
题:10 x + 92 = 312
10 x = 312-92
x= 220/10
x= 22
题:10 x + 93 = 313
10 x = 313-93
x= 220/10
x= 22
题:10 x + 94 = 314
10 x = 314-94
x= 220/10
x= 22
题:10 x + 95 = 315
10 x = 315-95
x= 220/10
x= 22
题:10 x + 96 = 316
10 x = 316-96
x= 220/10
x= 22
题:10 x + 97 = 317
10 x = 317-97
x= 220/10
x= 22
题:10 x + 98 = 318
10 x = 318-98
x= 220/10
x= 22
题:10 x + 99 = 319
10 x = 319-99
x= 220/10
x= 22
题:10 x + 90 = 320
10 x = 320-90
x= 230/10
x= 23
题:10 x + 91 = 321
10 x = 321-91
x= 230/10
x= 23
题:10 x + 92 = 322
10 x = 322-92
x= 230/10
x= 23
题:10 x + 93 = 323
10 x = 323-93
x= 230/10
x= 23
题:10 x + 94 = 324
10 x = 324-94
x= 230/10
x= 23
题:10 x + 95 = 325
10 x = 325-95
x= 230/10
x= 23
题:10 x + 96 = 326
10 x = 326-96
x= 230/10
x= 23
题:10 x + 97 = 327
10 x = 327-97
x= 230/10
x= 23
题:10 x + 98 = 328
10 x = 328-98
x= 230/10
x= 23
题:10 x + 99 = 329
10 x = 329-99
x= 230/10
x= 23
题:10 x + 90 = 330
10 x = 330-90
x= 240/10
x= 24
题:10 x + 91 = 331
10 x = 331-91
x= 240/10
x= 24
题:10 x + 92 = 332
10 x = 332-92
x= 240/10
x= 24
题:10 x + 93 = 333
10 x = 333-93
x= 240/10
x= 24
题:10 x + 94 = 334
10 x = 334-94
x= 240/10
x= 24
题:10 x + 95 = 335
10 x = 335-95
x= 240/10
x= 24
题:10 x + 96 = 336
10 x = 336-96
x= 240/10
x= 24
题:10 x + 97 = 337
10 x = 337-97
x= 240/10
x= 24
题:10 x + 98 = 338
10 x = 338-98
x= 240/10
x= 24
题:10 x + 99 = 339
10 x = 339-99
x= 240/10
x= 24
题:10 x + 90 = 340
10 x = 340-90
x= 250/10
x= 25
题:10 x + 91 = 341
10 x = 341-91
x= 250/10
x= 25
题:10 x + 92 = 342
10 x = 342-92
x= 250/10
x= 25
题:10 x + 93 = 343
10 x = 343-93
x= 250/10
x= 25
题:10 x + 94 = 344
10 x = 344-94
x= 250/10
x= 25
题:10 x + 95 = 345
10 x = 345-95
x= 250/10
x= 25
题:10 x + 96 = 346
10 x = 346-96
x= 250/10
x= 25
题:10 x + 97 = 347
10 x = 347-97
x= 250/10
x= 25
题:10 x + 98 = 348
10 x = 348-98
x= 250/10
x= 25
题:10 x + 99 = 349
10 x = 349-99
x= 250/10
x= 25
题:10 x + 90 = 350
10 x = 350-90
x= 260/10
x= 26
题:10 x + 91 = 351
10 x = 351-91
x= 260/10
x= 26
题:10 x + 92 = 352
10 x = 352-92
x= 260/10
x= 26
题:10 x + 93 = 353
10 x = 353-93
x= 260/10
x= 26
题:10 x + 94 = 354
10 x = 354-94
x= 260/10
x= 26
题:10 x + 95 = 355
10 x = 355-95
x= 260/10
x= 26
题:10 x + 96 = 356
10 x = 356-96
x= 260/10
x= 26
题:10 x + 97 = 357
10 x = 357-97
x= 260/10
x= 26
题:10 x + 98 = 358
10 x = 358-98
x= 260/10
x= 26
题:10 x + 99 = 359
10 x = 359-99
x= 260/10
x= 26
题:10 x + 90 = 360
10 x = 360-90
x= 270/10
x= 27
题:10 x + 91 = 361
10 x = 361-91
x= 270/10
x= 27
题:10 x + 92 = 362
10 x = 362-92
x= 270/10
x= 27
题:10 x + 93 = 363
10 x = 363-93
x= 270/10
x= 27
题:10 x + 94 = 364
10 x = 364-94
x= 270/10
x= 27
题:10 x + 95 = 365
10 x = 365-95
x= 270/10
x= 27
题:10 x + 96 = 366
10 x = 366-96
x= 270/10
x= 27
题:10 x + 97 = 367
10 x = 367-97
x= 270/10
x= 27
题:10 x + 98 = 368
10 x = 368-98
x= 270/10
x= 27
题:10 x + 99 = 369
10 x = 369-99
x= 270/10
x= 27
题:10 x + 90 = 370
10 x = 370-90
x= 280/10
x= 28
题:10 x + 91 = 371
10 x = 371-91
x= 280/10
x= 28
题:10 x + 92 = 372
10 x = 372-92
x= 280/10
x= 28
题:10 x + 93 = 373
10 x = 373-93
x= 280/10
x= 28
题:10 x + 94 = 374
10 x = 374-94
x= 280/10
x= 28
题:10 x + 95 = 375
10 x = 375-95
x= 280/10
x= 28
题:10 x + 96 = 376
10 x = 376-96
x= 280/10
x= 28
题:10 x + 97 = 377
10 x = 377-97
x= 280/10
x= 28
题:10 x + 98 = 378
10 x = 378-98
x= 280/10
x= 28
题:10 x + 99 = 379
10 x = 379-99
x= 280/10
x= 28
题:10 x + 90 = 380
10 x = 380-90
x= 290/10
x= 29
题:10 x + 91 = 381
10 x = 381-91
x= 290/10
x= 29
题:10 x + 92 = 382
10 x = 382-92
x= 290/10
x= 29
题:10 x + 93 = 383
10 x = 383-93
x= 290/10
x= 29
题:10 x + 94 = 384
10 x = 384-94
x= 290/10
x= 29
题:10 x + 95 = 385
10 x = 385-95
x= 290/10
x= 29
题:10 x + 96 = 386
10 x = 386-96
x= 290/10
x= 29
题:10 x + 97 = 387
10 x = 387-97
x= 290/10
x= 29
题:10 x + 98 = 388
10 x = 388-98
x= 290/10
x= 29
题:10 x + 99 = 389
10 x = 389-99
x= 290/10
x= 29
题:11 x + 90 = 310
11 x = 310-90
x= 220/11
x= 20
题:11 x + 91 = 311
11 x = 311-91
x= 220/11
x= 20
题:11 x + 92 = 312
11 x = 312-92
x= 220/11
x= 20
题:11 x + 93 = 313
11 x = 313-93
x= 220/11
x= 20
题:11 x + 94 = 314
11 x = 314-94
x= 220/11
x= 20
题:11 x + 95 = 315
11 x = 315-95
x= 220/11
x= 20
题:11 x + 96 = 316
11 x = 316-96
x= 220/11
x= 20
题:11 x + 97 = 317
11 x = 317-97
x= 220/11
x= 20
题:11 x + 98 = 318
11 x = 318-98
x= 220/11
x= 20
题:11 x + 99 = 319
11 x = 319-99
x= 220/11
x= 20
题:11 x + 90 = 321
11 x = 321-90
x= 231/11
x= 21
题:11 x + 91 = 322
11 x = 322-91
x= 231/11
x= 21
题:11 x + 92 = 323
11 x = 323-92
x= 231/11
x= 21
题:11 x + 93 = 324
11 x = 324-93
x= 231/11
x= 21
题:11 x + 94 = 325
11 x = 325-94
x= 231/11
x= 21
题:11 x + 95 = 326
11 x = 326-95
x= 231/11
x= 21
题:11 x + 96 = 327
11 x = 327-96
x= 231/11
x= 21
题:11 x + 97 = 328
11 x = 328-97
x= 231/11
x= 21
题:11 x + 98 = 329
11 x = 329-98
x= 231/11
x= 21
题:11 x + 99 = 330
11 x = 330-99
x= 231/11
x= 21
题:11 x + 90 = 332
11 x = 332-90
x= 242/11
x= 22
题:11 x + 91 = 333
11 x = 333-91
x= 242/11
x= 22
题:11 x + 92 = 334
11 x = 334-92
x= 242/11
x= 22
题:11 x + 93 = 335
11 x = 335-93
x= 242/11
x= 22
题:11 x + 94 = 336
11 x = 336-94
x= 242/11
x= 22
题:11 x + 95 = 337
11 x = 337-95
x= 242/11
x= 22
题:11 x + 96 = 338
11 x = 338-96
x= 242/11
x= 22
题:12 x + 99 = 375
12 x = 375-99
x= 276/12
x= 23
题:13 x + 90 = 454
13 x = 454-90
x= 364/13
x= 28
题:13 x + 91 = 455
13 x = 455-91
x= 364/13
x= 28
题:13 x + 92 = 456
13 x = 456-92
x= 364/13
x= 28
题:16 x + 99 = 467
16 x = 467-99
x= 368/16
x= 23
题:16 x + 90 = 474
16 x = 474-90
x= 384/16
x= 24
题:16 x + 91 = 475
16 x = 475-91
x= 384/16
x= 24
题:16 x + 92 = 476
16 x = 476-92
x= 384/16
x= 24
题:18 x + 93 = 471
18 x = 471-93
x= 378/18
x= 21
题:18 x + 94 = 472
18 x = 472-94
x= 378/18
x= 21
题:18 x + 95 = 473
18 x = 473-95
x= 378/18
x= 21
题:18 x + 99 = 585
18 x = 585-99
x= 486/18
x= 27
题:18 x + 90 = 594
18 x = 594-90
x= 504/18
x= 28
题:19 x + 95 = 532
19 x = 532-95
x= 437/19
x= 23
题:19 x + 96 = 533
19 x = 533-96
x= 437/19
x= 23
题:19 x + 92 = 643
19 x = 643-92
x= 551/19
x= 29
题:19 x + 93 = 644
19 x = 644-93
x= 551/19
x= 29
题:19 x + 94 = 645
19 x = 645-94
x= 551/19
x= 29
题:19 x + 95 = 646
19 x = 646-95
x= 551/19
x= 29
题:19 x + 96 = 647
19 x = 647-96
x= 551/19
x= 29
题:19 x + 97 = 648
19 x = 648-97
x= 551/19
x= 29
题:19 x + 98 = 649
19 x = 649-98
x= 551/19
x= 29
题:19 x + 99 = 650
19 x = 650-99
x= 551/19
x= 29

5年级下学期四则混合运算习题100道还有解方程250道~

1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)

43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1+(3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6
66.3.2×6+(1.5+2.5)÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13)+4.2×3.74
70.32.52-(6+9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02-(148.4-90.85)÷2.5 方程自己找吧

(0.5+x)+x=9.8÷2
2(X+X+0.5)=9.8
25000+x=6x
3200=450+5X+X
X-0.8X=6
12x-8x=4.8
7.5*2X=15
1.2x=81.6
x+5.6=9.4
x-0.7x=3.6
91÷x=1.3
X+8.3=10.7
15x=3
3x-8=16
7(x-2)=2x+3
3x+9=27
18(x-2)=270
12x=300-4x
7x+5.3=7.4
3x÷5=4.8
30÷x+25=85
1.4×8-2x=6
6x-12.8×3=0.06
410-3x=170
3(x+0.5)=21
0.5x+8=43
6x-3x=18
7(6.5+x)=87.5
1.5x+18=3x
5×3-x÷2=8
0.273÷x=0.35
1.8x=0.972
x÷0.756=90
9x-40=5
x÷5+9=21
48-27+5x=31
10.5+x+21=56
x+2x+18=78
(200-x)÷5=30
(x-140)÷70=4
20-9x=1.2×6.25
0.1(x+6)=3.3×0.4
(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
6x+12.8=15.8
150×2+3x=690
2x-20=4
3x+6=18
2(2.8+x)=10.4
(x-3)÷2=7.5
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
13(x+5)=169
2x-97=34.2
3.4x-48=26.8
42x+25x=134
1.5(x+1.6)=3.6
2(x-3)=5.8
65x+7=42
9x+4×2.5=91
4.2 x+2.5x=134
10.5x+6.5x=51
89x-43x=9.2
5x-45=100
1.2x-0.5x=6.3
23.4=2x=56
4x-x=48.6
4.5x-x=28
X-5.7=2.15
15 5X-2X=18
3X+0.7=5
3.5×2= 4.2+x
26×1.5= 2x+10
0.5×16―16×0.2=4x
13 9.25-X=0.403
16.9÷X=0. 3
23x=14x+14
x+14x=65
3-5x=80
1.8 +6x=54
6.7x-60.3=6.7
9+4x=40
2x+8=16
23x-14x=14
X+7x=8
9x-3x=6
6x-8=4
5x+x=9
x-8=6x
2x-6=12
7x+7=14
6x-6=0
5x+6=11
2x-8=10
2.5x-8=4
3x+7=28
3x-7=26
9x-x=16
24x+x=50
1.2x-8=4
3x-8=30
6x+6=12
3x-3=1
5x-3x=4
2x+16=19 5x+8=19
14-6x=8
15+6x=27
5-8x=4
7x+8=15
9-2x=1
4+5x=9
10-x=8
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
6x-21=21
6x-3=6
9x=18
4x-18=13
5x+9=11
6-2x=11
x+4+8=23
7x-12=8
X-5.7=2.15
15 5X-2X=18 3.5×2= 4.2 x 26×1.5= 2x
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
9.4x-0.4x=16.2 12-4x=20 2x+34x=1
18x-14x=12 23 x-5×14=14 12+34x=56 22-14x=12
 X+8.3=10.7 5x =30 x-5.6=9.4 x÷0.8=90
 3x-8=16 3x+9=27 5.3+7x=7.4 3x÷5=4.8
 X-0.8X=6 12x+8x=4.8 7(x-2)=49 4×8+2x=36
 (x-2)÷3=7 x÷5+9=21 (200-x)÷5=30 48-27+5x=31
 9-x=3 91÷x =1.3 41-3x=17 81÷3x=9
列方程解应用题练习题
1、共有1428个网球,每5个装一筒,装完后还剩3个,一共装了多少筒?
2、宁夏的同心县是一个“干渴”的地区,年平均蒸发量是2325mm,比年平均降水量的8倍还多109mm,同心县的年平均降水量多少毫米?
3、大楼高29.2米,一楼准备开商店,层高4米,上面9层是住宅。住宅每层高多少米
4、两个相邻自然数的和是97,这两个自然分别是多少?
5、鸡和兔的数量相同,两种动物的腿加起来共有84条。鸡和兔各有多少只?
6、爸爸今年的年龄儿子的4倍,爸爸比儿子大27岁。儿子和爸爸今年分别是多少岁?
7、我买了两套丛书,单价分别是:>2.5元/本,>3元/本,两套丛书的本数相同,共花了22元。每套丛书多少本?
8、一个数的3倍加上这个数的2倍等于1.5,求这个数。
9、一个数乘0.75等于6个2.4相加的和,这个数是多少?


#颛万衫# 小学5年级下册口算500道 脱试200道 解方程200道 - 作业帮
(18840374448):[答案] (1) 3X-(1/2+1/4)=7/12 3X=7/12+3/4 3X=4/3 X=4/9 (2) 6.6-5X=3/4-4X 6.6-0.75=-4X+5X X=5.85 (3) 1.1X+2.2=5.5-3.3X 1.1X+3.3X=5.5-2.2 4.4X=3.3 X=3/4=4/3 还有阿 (0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x 320...

#颛万衫# 有答案的五年级下半年解方程练习题 - 作业帮
(18840374448):[答案] 1、民兵打靶,第一次用子弹250发,第二次用子弹320发,第三次比前两次的总和少180发,第三次用子弹多少发? 250+320=570 570-180=390 2、修一段路,第一天修了全长的1/4 ,第二天修了90米,这时还剩下150米没有修.这段路全长多少米? ...

#颛万衫# 解方程20道,小学五年级 -
(18840374448): x+1=2 x+5=6 5x=10 3x=42 x/3=30 x+2=2 x+5=3 ........

#颛万衫# 五年级下学期数学题:解方程 -
(18840374448): 5分之1x=7 ,x=5*7=354分之3x=4 ,x=4*4/3=16/38分之3x=12分之1,x=1/12*8/3=2/9

#颛万衫# 五年级下册数学题分数解方程练习题100道分数应用题 1.、12颗糖,平均分给3个人,每人分得几颗?2、12颗糖,...8、 走进生活五年级五班学生进行队列... - 作业帮
(18840374448):[答案] 1.12颗糖,平均分给3个人,每人分得3/12颗. 2、12颗糖,平均分给8个人,每人分得8/12颗.

#颛万衫# 五年级下方程题(有答案0 -
(18840374448): 1:体育用品有90个乒乓球,如果每两个装一盒,能正好装完吗?如果每五个装一盒,能正好装完吗?为什么?90÷2=45盒90÷5=18盒 答:如果每两个装一盒,能正好装完如果每五个装一盒,也能正好装完.因为90能整除五.2:体育店有57个...

#颛万衫# 谁能给我100道五年级下册水平的方程题?不要有答案的,最好是2X?
(18840374448): (1)2x 8=16 (2)x/5=10 (3)x 7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x 7=14 (11)6x-6=0 (12)5x 6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (...

#颛万衫# 2017年五年级下册解方程题 -
(18840374448): 3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=9 6x+18=48...

#颛万衫# 300道小学五年级下册口算和150道计算(简便和方程). - 作业帮
(18840374448):[答案] *4/5=16/5 6*3/4=18/4 10*2/5=4 18*4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7 2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1...

#颛万衫# 解方程五年级下册数学题,用方程五年级参加植树的有20人,比六年级参加植树的人数的3倍少4人.求六年级参加指数的有多少人? - 作业帮
(18840374448):[答案] 设六年级参加的有x人 3X-4=20 3X=24 X=8 答:六年级参加的有8人