1) (-6-2)*(-6+2)=-8*(-4)=32
2) (7*3-3):(-6)=18:(-6)=-3
3) (-5+9)*(-4)=4*(-4)=-16
4) 72:(-6*2+4)=72:(-8)=-9
5) -3*7-4*(-5)+1=-21-(-20)+1=-21+20+1=0
6) 18-10:(+2)-7=18-5-7=6
7) 15:(-5)*(-3)-8=9-8=1
8) (6*8-10:5)+3*(-7)=48-2-21=25
1) (-6-2)*(-6+2)=-8*(-4)=32
2) (7*3-3):(-6)=18:(-6)=-3
3) (-5+9)*(-4)=4*(-4)=-16
4) 72:(-6*2+4)=72:(-8)=-9
5) -3*7-4*(-5)+1=-21-(-20)+1=-21+20+1=0
6) 18-10:(+2)-7=18-5-7=6
7) 15:(-5)*(-3)-8=9-8=1
8) (6*8-10:5)+3*(-7)=48-2-21=25
Tính
1/ (-6 – 2). (-6 + 2)
2/ (7. 3 – 3) : (-6)
3/ (-5 + 9) . (-4)
4/ 72 : (-6. 2 + 4)
5/ -3. 7 – 4. (-5) + 1
6/ 18 – 10 : (+2) – 7
7/ 15 : (-5).(-3) – 8
8/ (6. 8 – 10 : 5) + 3. (-7)
1/ x + 1/2 = -5/3 6/ x - 1/5 = 9/10
2/ 1/3 - x = 3/5 7/ x + 5/12 = 3/8
3/ 3-4 + x = 7/2 8/ x + 5/4 = 7/6
4/ x - 4/3 = -7/9 9/ x - 2/7 = 1/35
5/ x - -7/3 = 5/6 10/ x - 1/5 = -7/10
1/ x + 1/2 = -5/3
2/ 1/3 - x = 3/5
3/ 3-4 + x = 7/2
4/ x - 4/3 = -7/9
5/ x - -7/3 = 5/6
6/ x - 1/5 = 9/10
7/ x + 5/12 = 3/8
8/ x + 5/4 = 7/6
9/ x - 2/7 = 1/35
10/ x - 1/5 = -7/10
\(\frac{10+\frac{9}{2}+\frac{8}{3}+\frac{7}{4}+ \frac{6}{5}+\frac{5}{6}+\frac{4}{7}+\frac{3}{8}+\frac{2}{9}+\frac{1}{10}}{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{10}+\frac{1}{11}}\)
Bài 46:
11, - 4|x-2| = -8
12, 5|x+2| = -10(-2)
13, 6|x-2| = 18: (- 3)
14, -7|x+4| = 21 : (-3)
15, 4|x+1| = 8(-2) - 8(-5)
16, 3|x+5| = -9
17, -8|x-3| = 24 - 16: 2
18, -3|x+6| = 6.2 -9
19, 5-|x+7| = 4
20, 12-|x+8| = 10
Giúp mk nha. Mk càn ngay đó
1. 160:{|-17|+[3^2.5-(14+2^11:2^8]}
2. 16.(38-2)-38.(16-1)
3. |-6|+(-7)+|-4|+(-3)
4. 26.(-125)-125.(-36)
5. 5^6:5^3-5^0.5^1.5^2
6. 125.(-24)+24.225
7. 21.135+21.65-200
8. 42+(-19)+58-(-19)
9. 100:{31-[24:(18-7.2)]}
10. 2^3.5-3^2.4+4.6
(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 0)*( 9 - 8 + 7 - 6 + 5 - 4 - 3 + 2 - 1)*( 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 ×9)*(1-1+2-2+3+4-7)=?
Tính nhanh
Các bạn viết luôn kết quả cho mình nha😂😂😂😂😂😂😂😂
Tính nhanh
1/2-2/3+3/4-4/5+5/6-6/7+7/8+6/7-5/6+4/5-3/4+2/3-1/2
ai giúp mình với mk tick cho!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Sắp xếp theo thứ tự:
* tăng dần
1/ 7; -12 ; +4 ; 0 ; │-8│; -10; -1
2/ -12; │+4│; -5 ; -3 ; +3 ; 0 ; │-5│
5 / 11
* giảm dần
3/ +9 ; -4 ; │-6│; 0 ; -│-5│; -(-12)
4/ -(-3) ; -(+2) ; │-1│; 0 ; +(-5) ; 4 ; │+7│; -8