tính
A=5*(2^2*3^2)^9*(2^2)^6-2*(2^2*3)^14*3^4/5*2^28*3^18-7*2^29*3^18
Giúp gấp với mấy bn
5×(2^2×3^2)^9×(2^2)^6-2×(2^2×3)^14×3^4/5×2^28×3^18-7×2^29×3^18
5×36^9×4^6-2×12^14×3^6÷5×2^28×3^19-7×2^29×3^18
a,thuc hien phep tinh: 5*(2^2*3^2)^9*(2^2)^6-2*(2^2*3)^14*3^4/5*2^28*3^18-7*2^29*3^18
b,tim cac so nguyen n sao cho: n^2+5*n+9 la boi cua n+3
c,tim x,y nguyen sao cho: xy+2*x+y+11=0
5(2 mũ 2 . 3 mũ 2)mũ 9.(2 mũ 2) mũ 6 - 2(2 mũ 2 . 3)mũ 14 . 3 mũ 4
5.2 mũ 28 . 3 mũ 18 - 7.2 mũ 29 . 3 mũ 18
A=\(\frac{5.\left(2^2.3^2\right)^9.\left(2^2\right)^6-2.\left(2^2.3\right)^{14}.3^4}{5.2^{28}.3^{18}-7.2^{29}.3^{18}}\)
Tìm x€Z biết:
a)-218-(x+31)=x-29
B)-12(x-5)+7(3-x)=5
C)3(x+7)+28=9-2(x+5)
D)2(x+3)-3(x-5)=4(3-x)-18
A=\(\frac{5x\left(2^2\text{x}3^2\right)^9\text{x}\left(2^2\right)^6-2\text{x}\left(2^2\text{x}3\right)^{14}\text{x}3^4}{\text{ }5\text{x}2^{28}\text{x}3^{18}-7\text{x}2^{29}\text{x}3^{18}}\)
-12/18 + (-21)/35
-3/21 + 6/42
-18/24 + 15/21
1/6 + 2/5
3/5 + (-7)/4
(-2) + (-5)/8
1/-8 + (-5)/9
4/13 + 12/39
1/21 + 1/28
-3/29 + 16/58
8/40 + (-36)/45
-8/18 + (-15)/27
13/30 + (-1)/5
2/21 + 1/28
5 + (-3)/4
18/24 + 45/-10