Preguntas de cálculo matemático de séptimo grado
23+(-73)
(-84)+(-49)
7+(-2.04)
4.23 +(-7,57)
(-7/3)+(-7/6)
9/4+(-3/2)
3,75 +(2,25)+5/4
-3,75+(+5/4)+(-1,5)
(17/4)+(-10/3)+( +13/3)+(11/3)
(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3 -4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2* 8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(- 28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1 /4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3 /8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4 /15)/2/3
-3x+2y-5x-7y
-5+21*8/2-6-59
68/ 21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x -7 años
-5+21*8/2-6-59
68/21-8-11*8+61
-2/9 -7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12 )
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2 )
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)
-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
-1+2-3+4-5+6-7
50-28+(-24)-( -22);
19,8-(-20,3)-(+20,2)-10,8
0,25- +(-1 )-(+3 ).
-1-23.33-(+76.76);
1-2*2*2*2
(-6-24.3)-(-12+9.1)+ (0-2.1);
-1+8-7 )23+(-73)
(2)(-84)+(-49)
(3)7+(-2.04)
(4)4.23+(-7.57)
(5)(-7/3)+(-7/6)
(6)9/4+(-3/2)
(7)3.75+(2.25)+5/4
(8)- 3,75+(+5/4)+(-1,5)
(9)(-17/4)+(-10/3)+(+13/3)+(11/3)
(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(11)(+1.3 )-(+17/7)
(12)(-2)-(+2/3)
(13)|(-7.2)-(-6.3)+ (1.1)|
(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(15)(-2/199)*(-7/6-3/2+8/3)
(16)4a)*(-3b)*(5c)*1/6
Quedan 50 preguntas, pero no hay respuestas
1.3/7 × 49/9 - 4/3
2.8/9 × 15/36 + 1 /27
3,12× 5/6 – 2/9 ×3
4,8× 5/4 + 1/4
5,6÷ 3/8 – 3 /8 ÷6
6,4/7 × 5/9 + 3/7 × 5/9
7,5/2 - ( 3/2 + 4/5 )
8,7/8 + ( 1/8 + 1/9 )
9,9 × 5/6 + 5/6
10,3/4 × 8/9 - 1 /3
0,12χ+1,8×0,9=7,2 (9-5χ)×0,3=1,02 6,4χ-χ=28+4,4
11,7 × 5/49 + 3/14
p>
12,6 × ( 1/2 + 2/3 )
13,8 × 4/5 + 8 × 11/5
14,31 × 5/6 – 5/6
15,9/7 - (2/7 – 10/21)
16,5/9 × 18 – 14 × 2/7
17.4/5 × 25 /16 + 2/3 × 3/4
18.14 × 8/7 – 5/6 × 12/15
19.17/32 – 3/ 4 × 9/24
20,3 × 2/9 + 1/3
21,5/7 × 3/25 + 3/7
22,3/
14 ×× 2/3 + 1/6
23,1/5 × 2/3 + 5/6
24,9/22 + 1/11 ÷ 1/2
25,5/3 × 11/5 + 4/3
26,45 × 2/3 + 1/3 × 15
27,7/19 + 12/19 × 5/6
28,1/4 + 3/4 ÷ 2/3
29,8/7 × 21/16 + 1/2
30,101 × 1/5 – 1 /5 × 21
31,5160÷40 (58+370)÷(64-45)
32,120-144÷18+35
33,347+45 ×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178- 145÷5×6+42 42580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
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)×2.5
51.-5+58+13+978-(-56)+50
52. -7*2-57/(3
53.(-7)*2/(1/3)+79/(3+6/4)
54.123+456 +789+98/(-4)
55.369/33-(-54-31/15.5)
56.39+{3x[42/2x(3x8)]} p>
57,9x8x7/5x(4+6)
58,11x22/(4+12/2)
59,94+(-60)/10