Các câu hỏi tương tự
692 - 4 ( x . x3 + 17 ) = 22.25
692 - 4. ( X . X3+ 17 ) = 27
2^2.4^4.2^6.2.22.2^3.2^7.2^43^2.33^4.3^3.33.3^5.3^4.3^23.3^6.3^7.3^44.4^34^5.4.4^74.4^3.4^5.4^65.5^65.5^45.5^2.5^45.5^3.5^4.5^65.5^6.5^4.5^3x.x^2x.x^3.x^5a.a^4a.a^2.a^4.a^5.a^7a.a^3.a^5.a^6a^4.a.a^5.a^6.ax.x^3.x^4x^5.x^4.x.x^7.x^67.7^27.7^2.7^4.7^57^3.7^5.7.7^47^2.7.7^6.7^6.7^310.10^210.10^210.100.10^310.100.10^4.100010^2.10^4.100.1000
Đọc tiếp
2^2.4^4.2^6.2.2=
2.2^3.2^7.2^4=
3^2.3=
3^4.3^3.3=
3.3^5.3^4.3^2=
3.3^6.3^7.3^4=
4.4^3=
4^5.4.4^7=
4.4^3.4^5.4^6=
5.5^6
5.5^4=
5.5^2.5^4=
5.5^3.5^4.5^6=
5.5^6.5^4.5^3=
x.x^2
x.x^3.x^5=
a.a^4
a.a^2.a^4.a^5.a^7=
a.a^3.a^5.a^6
a^4.a.a^5.a^6.a=
x.x^3.x^4=
x^5.x^4.x.x^7.x^6=
7.7^2=
7.7^2.7^4.7^5=
7^3.7^5.7.7^4=
7^2.7.7^6.7^6.7^3=
10.10^2=
10.10^2=
10.100.10^3=
10.100.10^4.1000=
10^2.10^4.100.1000=
viết các biểu thức sau thành các hằng đẳng thức:
1) (1-2x)(1-2x)
2)4.x.x+20.x+1
3)x.x.5.x+6
4)x.x-1/2.x+1
5)x.x+5.x-10
Tính nhanh:
-5/6.4/19+-7/12.4/19-40/57
-3/7.2/5+2/5.-5/14+18/35
-3/5.(5/17-9/15)-3/5(2/17+-2/5)
2/3.(4/13-9/11)+2/3.(9/13-4/22)
A=4/2.5+4/5.8+4/8.11+...+4/38.41
160:{|-17|+[3^2.5-(14+2^11:2^8)]}
a) 5-15-(-4+2)-7
b)-18:3-2.5-|-17|
c)2.|x+1|-4=-2-(-12)
d)3x/4-2=1,5.(x+75%)
e) 1/3.(x-2 và 1/2)mũ 2 -2 và 3/4=-2
2^3.19-2^3.14+1^2020
10^2-[60:(5^6:5^4-3.5)]
160:{17+[3^2.5-(14=2^7:2^4)]}
798+100:[16-2(5^2022)]
t^2+5t-6 khi t=2
(a+b)^2-(b-a)^3+2012 khi a=5;b=a+1
x^3-3x^2y=3xy^2-y^3 khi x=3;y=2
a)58.75+58.50-58.25
b) 20:2^2-5^9:5^8
c.(5^19:5^17-4):7
d)_84:4+3^9:3^7+5^0
e)295-(31-2^2.5)^2
f) 11^25 :11^23 -3^5:(1^10)+2^3-60)