x+5 -x-1 = 4

x+1(ư)4 = -1;1;-2;2;-4;4

x = -2;0;-3;1;-5;3

d) 864x48-432x96/864x48x432

=864x48-(432x2)x(96:2)/864x48x432

=864x48-864x48/864x48x432

=0/864x48x432

=0

49x13+49x7

=49x(13+7)

=49x20

=980

tíc mình nha

ai lam het tat ca mih k 3 k cho

There are a lot of disadvantages of living in a big city, but air pollution, traffic jam, and the high living standard are three main disadvantages. Firstly, air pollution is a big disadvantage that people living in big cities have to face.

xin 3k !!

11(x-6)=4(x+3)-1

11x-66=4x+11

11x-4x-66=11

11x-4x=11+66

7x=77

x=11

mình bị mù nên không thấy j

tay mình gãy nên không nháp đc

\(\frac{2^{1005}.7^{1005}.5^{1006}}{2^{1007}.5^{1004}.7^{1004}}\)

\(=\frac{7.5^2}{2^2}\)

\(=\frac{175}{4}\)

Chúc bạn học tốt^^

\(\frac{2^{1005}.7^{1005}.5^{1006}}{2^{1007}.5^{1004}.7^{1004}}\)

\(=\frac{7.5^2}{2^2}\)

\(=\frac{175}{4}\)

Chúc bạn học tốt^^

\(\frac{2^{1005}.7^{1005}.5^{1006}}{2^{1007}.5^{1004}.7^{1004}}\)

\(=\frac{7.5^2}{2^2}\)

\(=\frac{175}{4}\)

Chúc bạn học tốt^^

19x8+19x3-19

=19x8+19x3-19x1

=19x(8+3-1)

=19x10

=190

\(19.8+19.3-19\)

\(=19.\left(8+3-1\right)\)

\(=19.6\)

\(=114\)

=19x(8+3-1)

=19x10

=190

k cho mk ban nha