cac ban mo ngoac dong ngoac bang cach nao vay
Do dai doan duong . Khoang cach giua cac cay +1.
Doan duong bang mo ngoac so cay -1 dong ngoac * khoang cach giua cac cay.
khoang cach giua cac cay bng do dai duong / mo ngoac so cay /1dong ngoac
Trinh bay bai giai
ko đc tin Nguyên Khắc Vinh
ông mới bỏ đc 1 bữa lại tiếp tục rồi
vi du la trng cay 2dau duong thi se bang so cay -1 khoang cach giua cac cay
tinh bang 2 cach ;a; mo ngoac 1phan 3 cong2 phan 5 dong ngoac nhan 3phan 4 b;mo ngoac 7phan 9 cong 2phan 3 dong ngoac chia 5phan 6
2 mo ngoac x cong 1 dong ngoac tru 1 bang 3
\(2\left(x+1\right)-1=3\\ 2\left(x+1\right)=4\\ x+1=2\\ x=1\)
\(2\left(x+1\right)-1=3\)
\(2\left(x+1\right)=3+1\)
\(2\left(x+1\right)=4\)
\(x+1=4:2\)
\(x+1=2\)
\(x=2-1\)
\(x=1\)
\(2\left(x+1\right)-1=3\)
\(2x+2-1=3\)
\(2x=3+1-2=2\)
\(x=2:2\)
\(x=1\)
Cac ban oi cho minh hoi BCNN la ngoac [...] hay ngoac (...) vay
|x| - mo ngoac 5x - 207 donh ngoac = - 5x - mo ngoac - 307 dong ngoac
viet mot doan van ngan gioi thieu vai net ve lop hoac truong cua em .Trong do co su dung so tu va luong tu
Ma cac ban nho dong ngoac so tu va luong tu lai nhe cac ban ,so tu dong hai ngoac ,luong tu dong mot ngoac
giup minh nhe cac ban ,ngay mai minh phai nop bai roi
8,16 chia mo ngoac 1,32 + 3,48 dong ngoac -0,345 chia 2
Chia dong tu trong ngoac.
It's very difficult .................. ( learn ) English .
NHANH NHA CAC BAN.
It's very difficult to learn ( learn ) English
It's very difficult to learn ( learn ) English .
Mai mo cua hang ban quan ao , ban dau Mai co 15 500 000 dong . Ngay thu nhat Mai nhap hang ve het 8 800 000 dong. Ngay thu hai ban duoc ( ca von va lai ) la 2 560 000 dong . Ngay thu ba Mai ban duoc 1 540 000 dong va nhap hang ve het 6 500 000 dong . Hoi sau 3 ngay mai con bao nhieu tien mat ? Em hay su dung dau ngoac de bieu dien cach tinh sao cho co the the hien duoc so tien sau moi ngay