3x-357 = 156
3x = 156+357
3x = 513
x = 513:3
x = 171
Vậy x=171
3x - 357=156
3x=156+357
3x=513
x=513:3
x=171
tk đúng cho mk nha
Ban Hoa danh so trang sach bang cac so tu nhien tu 1 den 998.Hoi ban Hoa da viet bao nhieu chu so
Chung minh rang tong cac so ghi tren ve so co 6 chu so ma tong cua 3 chu so dau bang tong 3 chu so cuoi thi chia het cho13(cac chu so dau co the bang 0)
tinh
24 bang bao nhieu
47 - [ ( 45 x 24 - 52 x12 ) ] bang bao nhieu giup minh nha minh can gap
giups nhe !!! mn
3^4 + [ 75 : 15+ ( 10 - 8 ) ^4 - 5^3 de bai la : Tinh bang cach hop li .
^-^
|3x-1|-2x=5+3x
ai dung to tk cho
(3x - 1)^2 = 121
giups nhe !!! mn
3^4 + [ 75 : 15+ ( 10 - 8 ) ^4 - 5^3] de bai la : Tinh bang cach hop li .
* chu y : ket qua la so tu nhien nha moi nguoi
^-^
250 - 10 ( 24 - 3x ) : 15 = 244
