100 preguntas de matemáticas de quinto grado
1. 3/7 × 49/9 - 4/3
2. × 5/6 – 2/9 × 3
4.8× 5/4 + 1/4
5. p>
p>
6. 4/7 × 5/9 + 3/7 × 5/9
7. /p>
8. 7/8 + ( 1/8 + 1/9 )
9. 5/6 + 5/6
3/. 4×8/9 - 1/3
11. 7×5/49 + 3/14
12. >
13 . 8 × 4/5 + 8 × 11/5
14. /7 – 10/ 21)
16. 5/9 × 18 – 14 × 2/7
17. 4
18. 14 × 8/7 – 5/6 × 12/15
19. 20. 3 × 2 /9 + 1/3
21 5/7 × 3/25 + 3/7
22. /6
23. 1/5 × 2/3 + 5/6
24. 5/3 × 11/5 + 4/3
26 45 × 2/3 + 1/3 × 15
27. /6
28. 1/4 + 3/4 ÷ 2/3
29. 101×1/ 5 – 1/5×21
31.5160÷40
32.120-144÷18+35
33.347+45×2-. 4160÷52
p>
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
37.812-700÷(9+31×11)
38.85+14×(14+208÷26)
39.(284+16)× (512-8208÷18)
40.120-36×4÷18+35
41 (58+37)÷(64. -9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2 ×1,5+2,5)÷1,6 (2) 3,2×(1,5+2,5)÷1,6
45,6-1,6÷4= 5,38+7,85-5,37=
46,7,2÷0,8 -1.2×5= 6-1.19×3 -0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15- 10,75×0,4-5,7
49,5,8×(3,87-0,13)+4,2×3,74
50,32,52-(6+9,728÷3,2)×2.
3X+5X=4
8 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
56x-50x=30 5x=15 78-5x=28
32y-29=3 5x+5=15 89x-9=80
100-20x=20 55x-25x=60 76y-75=1
23y-23= 23 4x-20=0 80y+20=100
53x-90=16 2x+9x=11 12y-12=24
85x=100 7x-8=6 65x +35=100
19y+y=40 25-5x=15 79y+y=80
42x+28x=140 3x-1=8 90y-90=90 p>
80y-90=70 78y+2y=160 88-x=80
9-4x=1 20x=40 65y-30=100
51y- y =100 85y+1=-86 45x-50=40
+6x=14
x+9x=4+7
2x+9= 17
8-4x=6
6x-7=12
7x-9=8
x-56=1
p>
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
3X 0,7=5
x+13=33
3 - 5x=80
1,8 +6x=54
6,7x -60,3 = 6,7
9 +4x =40
2x+8=16
3,5×2= 4,2 x
26×1,5= 2x
0.5×16―16×0.2=4x
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
1 /3x+5/6x=1.4
12x+34x=1
18x-14x=12
23 x-5×14=14
12+34x=56
22-14x=12
23x-14x=14
x+14x=65
23x= 14x+14
30x12x-14x=1
x-0.7x=3.6