(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
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
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
p>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
p>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)]}
57.9x8x7/5x(4+6)
58.11x 22 /(4+12/2)
59,94+(-60)/10