\(4\left(x-3\right)=7^2-1^3\)
\(4\left(x-3\right)=49-1\)
\(4\left(x-3\right)=48\)
\(x-3=48:4=12\)
\(x=12+3=15\)
\(4\left(x-3\right)=7^2-1^3\)
\(4\left(x-3\right)=49-1\)
\(4\left(x-3\right)=48\)
\(x-3=48:4=12\)
\(x=12+3=15\)
bai 2, viet gon duoi dang 1 luy thua ;
a, 3 mu 6 nhan 3 mu 8 b, 2 mu 7 nhan 2 mu 11 c 5 mu 4 nhan 5 mu 6 d,16 nhan 2 mu 5
e, 3 mu 7 nhan 2 mu 7 f, 25 nhan 5 mu 7 nhan 125 g, 27 nhan 3 mu 4 nhan 9 h, 64 nhan 8 nhan 2 mu5
giup minh voi thu 6 la minh can roi ai nhanh minh nhan like
( x - 1 ) mu 2 : 5 mu 21 = 25 mu 30 . 5
2.3 mu x + 1 = 10.3 mu 12 + 8 : 27 mu 4
( 19x + 2 .5 mu 2) : 14 = ( 13 - 8 ) mu 2
1351 - 2 . ( x + 3) = 4 mu 12 : 8 mu 7 + 3
mong m.n giup mk vs !!!!
Tim chu so tan cung cua 2 mu 10993 ; 3 mu 16 nhan 5 ; 3 mu 1993 : giup minh voi minh dang can gap
a/[x-2][7-x] > 0 . tim x thuoc Z
b/[x mu 2+13][x mu 2-17] > 0 . tim x thuoc Z
c/[x mu 2-13][x mu 2-17] <0 . tim x thuoc Z
GIUP MINH VOI
NGAY KIA MINH DI BOI DUONG ROI
CAM ON CAC BAN NEU CAC BAB GIUP MINH
giai giup minh bai toan nay voi : 2 .x -138= 2 mu 3 nhan 3 mu 2
a ,/ 2x - 4 / + ( 3y - 3 ) mu 2 = 0
b , / 3x - 1 / + ( y - 2 ) mu 2 > hoac = 0
giup minh voi chieu mai mk phai di hoc roi
[ x+1] mu 4 = 64
moi nguoi oi giup minh voi nhe. ai dunh minh tick cho
Tim x
3.x + 17 = 2 mu 8 . 2mu 3
Cac ban oi giup minh voi, minh can gap. ai giup to tick cho nhe
chung minh rang :
a. 7^6+7^5-7^4 chia het cho 55.
b. 3 mu n cong 2 + 3 mu n cong 1tru3 mu n,chia het cho 11