<=> /x+2/ =50-48=2
<=> \(\orbr{\begin{cases}x+2=2\\x+2=-2\end{cases}}\)
<=> \(\orbr{\begin{cases}x=0\\x=-4\end{cases}}\)
<=> /x+2/ =50-48=2
<=> \(\orbr{\begin{cases}x+2=2\\x+2=-2\end{cases}}\)
<=> \(\orbr{\begin{cases}x=0\\x=-4\end{cases}}\)
cac ban giup toi cau nay voi:
Thuc hien phep tinh(hop ly neu co the):
(10/99+11/199-12/299)x(1/2-1/3+-1/6)
mong cac ban giup minh nhanh voi a. Minh xin cam on
tim x la so chia trong phep chia 235 cho x duoc so du la 14.lam on giup toi voi!
giup toi giai bai nay voi:
cho 3 so nguyen a,b,0 biet a la mot so nguyen am va a<b .sap xep ba so do tang dan
(3x+1)chia het (2x-1)
giup minh voi cac ban oi toi minh phai di hoc
Chao cac ban hoc sinh lop 6 cu o cac truong khac, Toi la Tran Duy Anh, hoc sinh lop 6A3 cu, nay toi hoc lop 7 moi, Truong THCS Ly Tu Trong, Ngo Quyen, Hai Phong. Nay toi se dua cho cac ban mot bai toan sau. Cac ban hay suy nghi that ki nhe
Tim so nguyen n de phan so sau co gia tri nguyen
n + 5 / n + 2
Bai 1: Tim so nguyen x, biet:
|x-3|=|x+5|
Neu cac ban biet loi giai thi ghi vao giup toi...
tinh tong cac phan so toi gian khong la so tu nhien co mau 11 lon hon 12 va nho hon 35
giup toi voi
Chung minh cac phan so sau la phan so toi gian voi moi so nguyen n :A=12n+1 tren 30n+2
An va bach co 1 so buu anh.so buu anh cua moi nguoi chua den 100. so buu anh hoa cua an bang so buu anh thu rung cua bach.Bach noi voi an.neu toi cho ban cac buu anh thu rung cua toi thi so buu anh cua ban gap 7 lan so buu anh cua toi.An tra loi neu toi cho ban cac buu anh hoa cua toi thi so buu anh cua toi gap 4 lan so buu anh cua ban.tinh so buu anh cua moi nguoi.