Preguntas de cálculo matemático en el primer volumen del primer grado de la escuela secundaria
1. -15+6÷(-3)×1/2 2. (1/4-1/2+1/6)×24
3. ×(-3/7)2÷3/14 4. 2/3+(-1/5)-1+1/3
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) (2)(-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-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-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); p>
p>
-1+8-7
(1) (2) 12—(—18)+(—7)—15
( 3) (4) -2 +|5-8|+24÷(-3)
26. 5)= ( )
28. -32 + (-2) 2 = ( )
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-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-7y
-1+2-3+4-5+6-7
p>
p>
50-28+(-24)-(-22)
19,8-(-20,3)-(+20,2)-10,8; p>0.25- + (-1 )-(+3
-1-23.33-(+76.76);
1-2*2*2*2; /p>
(-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
Hay 50 preguntas, pero no hay respuestas
1. 9 - 4/ 3
2. 8/9 × 15/36 + 1/27
3. p>4.8× 5/4 + 1/4
5 6÷ 3/8 – 3/8 ÷6
6. 3/7 × 5/9
7. 5/2 - ( 3/2 + 4/5 )
8. /9 )
9. 9 × 5/6 + 5/6
10. +1,8×0,9=7,2 (9－5χ)×0,3=1,02 6,4χ-χ=28+4,4
11. 6 × ( 1/2 + 2/3 )
13 8 × 4/5 + 8 × 11/5
14. /p>
15. 9/7 - (
2/7 – 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. 1/6
23. 1/5 × 2/3 + 5/6
24. 25. 5/3 × 11/5 + 4/3
26 45 × 2/3 + 1/3 × 15
27. 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 30. 101 × 1/5 – 1/5 × 21
31.50＋160÷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.
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
p>
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×(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)]}
57,9x8x7/5x(4+6)
58,11x22/(4+12/2)
59,94+(-60)/10