3 x 3 x 3 x 5 x 5 x 5
= 33.53
= 27.125
= 3375
Answer : 3375
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a,1/3 .(x-2/5)=3/4 b, 7/3:(x-2/3)=4/5 c,1/3.(x-2/5)=4/5 d, 2/3.(x-1/2)-1/4.(x-2/5)=7/3 e,3/7 .(x-2/3)+1/2=5/4.(x-2) f,1/2.(x-3)+1/3.(x-4)+1/4.(x-5)=1/5 g,[2/3.(x-1/2)-4/5]:(x-1/3)=21/5 h, {x-[1/2.(x-3)+11/5]}:(x-1/2)=3/5 i,x.(x-2/5)-(x+2).x+11/4=4/3
Tìm x
a, ( 3 . x -1 ) . ( -1/2 .x + 5 ) = 0
b, 3. ( x - 1/2 ) - 5 ( x + 3 /5 ) = x + 1 /5
c, -5 . ( x + 1/5 ) - 1/2 . ( x - 2/3 ) = 3/2 . x - 5/6
d,3. ( 3 . x - 1/2 ) mũ 3 + 1/9 = 0
1) 5.2²+ (x+3)5² 6) 4³ - (x-2)5²
2) 2³+(x-3²) 5³-4³ 7) 3⁴+ (x+5)5.3²
3) 3.2 + (x+5²)10² 8) 2³.5 - (x+ 3²)10
4) 2⁶+(5+x) 3⁴ 9) 3³ - (x+2⁴)7
5) 5+(x + 3³) 2⁶ 10) 7² - (15+x)5.2²
Đọc tiếp
1) 5.2²+ (x+3)=5² 6) 4³ - (x-2)=5²
2) 2³+(x-3²)= 5³-4³ 7) 3⁴+ (x+5)=5.3²
3) 3.2 + (x+5²)=10² 8) 2³.5 - (x+ 3²)=10
4) 2⁶+(5+x)= 3⁴ 9) 3³ - (x+2⁴)=7
5) 5+(x + 3³)= 2⁶ 10) 7² - (15+x)=5.2²
Bài toán 3 : Tìm x, biết.a. 2(x – 5) – 3(x + 7) 14 b. 5(x – 6) – 2(x + 3) 12c. 3(x – 4) – (8 – x) 12 d. -7(3x – 5) + 2(7x – 14) 28e. 5(3 – 2x) + 5(x – 4) 6 – 4x f. -5(2 – x) + 4(x – 3) 10x – 15g. 2(4x – 8) – 7(3 + x) |-4|(3 – 2) h. 8(x – |-7|) – 6(x – 2) |-8|.6 – 50k. -7(5 – x) – 2(x – 10) 15 l. 4(x – 1) – 3(x – 2) -|-5|m. -4(x + 1) + 89x – 3) 24 n. 5(x – 30 – 2(x + 6) 9o. -3(x – 5) + 6(x + 2) 9 p. 7(x – 9) – 5(6 – x) – 6 + 11xq. 10(x – 7) – 8(x + 5) 6.(-5) + 24
Đọc tiếp
Bài toán 3 : Tìm x, biết.
a. 2(x – 5) – 3(x + 7) = 14 b. 5(x – 6) – 2(x + 3) = 12
c. 3(x – 4) – (8 – x) = 12 d. -7(3x – 5) + 2(7x – 14) = 28
e. 5(3 – 2x) + 5(x – 4) = 6 – 4x f. -5(2 – x) + 4(x – 3) = 10x – 15
g. 2(4x – 8) – 7(3 + x) = |-4|(3 – 2) h. 8(x – |-7|) – 6(x – 2) = |-8|.6 – 50
k. -7(5 – x) – 2(x – 10) = 15 l. 4(x – 1) – 3(x – 2) = -|-5|
m. -4(x + 1) + 89x – 3) = 24 n. 5(x – 30 – 2(x + 6) = 9
o. -3(x – 5) + 6(x + 2) = 9 p. 7(x – 9) – 5(6 – x) = – 6 + 11x
q. 10(x – 7) – 8(x + 5) = 6.(-5) + 24
1) 7. (3x+5)+2.(7x+14)98. 2) 4. (x -5)+3.(x+7)22
3) 5.(4-x) +7.(x-2)24. 4) 3.(x -5)+6.(x+3)12
5) 4-x+5.(x+2)38. 6) 5.( x-3)+2.(x+8)22
7) 5.(x-7)+10.(4+x)20. 8) 4.(x+10)+8.(x-3)24
9) 4.(5-x)+5.(x-2)15. 10) 4.(x-1)+3.(x-2)-1
Đọc tiếp
1) 7. (3x+5)+2.(7x+14)=98. 2) 4. (x -5)+3.(x+7)=22
3) 5.(4-x) +7.(x-2)=24. 4) 3.(x -5)+6.(x+3)=12
5) 4-x+5.(x+2)=38. 6) 5.( x-3)+2.(x+8)=22
7) 5.(x-7)+10.(4+x)=20. 8) 4.(x+10)+8.(x-3)=24
9) 4.(5-x)+5.(x-2)=15. 10) 4.(x-1)+3.(x-2)=-1
Tìm x
2.(x-5)-3(x+6)+=4(x-7)3(x-1)-2(x+5)=2(x-3)5(1-x)-6(1+x)=7(3-x)2x+5-3(3x+7)=6(1-x)+8x-2+3(x-4)=5(x-6)+7x+2+3(1-x)-5(2-x)=6(1-x)+(3-x)
tìm x
(3^2-2)x(x-12+35=5^2+279:5
260 : (x-+4) = 5 ( 2^3 + 5)-3(3^2+2^2)
7^x-3 = 343
(x-3)^2017 = (x-3)^2016
(2^3 + 3)x (x-5) +14= 5^2+124:2^2
thực hiện phép tính sau
a) 2^4 - 50 : 25 + 13 x 7
b) 3^2 x 5 + 2^3 x 10 - 3^4 : 3
c) 2^5 + 5 x 13 - 3 x 2^3
d) 5^13 : 5^10 - 5^2 x 2^2
e) 4^5 : 4^3 - 3^9 : 3^7 + 5^0
f) 3^2 x 2^4 - 2^3 x 4^2 - 2^3 x 5^0 + 4^2 x2^2
ai nhanh nhất mình tick cho
Tìm x
a) 5^x -1 = 5^2 + 100
b) x^10=x
2 x 5^2 x 3^2 + {[2 x 5^3 - (5x + 4) x 5 : (2^3 x 3 x 5)]}=455
1) x +1/2 =5/3. 2) 3/5 - x =1/3. 3) 3/4 + x =7/2
4) x - 4/3 =7/9. 5)x - 5/6 = 7/3. 6)x- 1/5 =9/10