d: \(=\dfrac{5^3\left(2^3+2^2+1\right)}{13}=\dfrac{5^3\cdot13}{13}=5^3=125\)
e: \(=8+3\cdot1-\dfrac{1}{4}\cdot4+\left[4\cdot2\right]\cdot8\)
\(=8+3-1+64=74\)
\(\frac{11x15x19+8x12x17-3x7x18}{33x45x57+24x36x51-9x21x54}\)
Tinh nhanh ( mong cac ban giai ra day du va mong cac giao vien giup do em)
Chung to: A= 3+ 32+ 33+34+ ... + 320 chia het cho 4, cho 40.
Mong cac bn giai som giup minh!
mong cac ban co the giup toi giai bai toan nay
a, x+1/2017 + x+2/2016 = x+3/2015 + x+4/2014
Mong cac ban giai giup minh voi
Em đng gấp nên mong mng giúp ak ><
3-4n chia het cho 2n+1
mong cac ban giai giup mik nhe!
N-6 chia het n-1
giai giup em voi a
Cac ban gjaj gjup mik cau nak caj
(4n+3)chia het cho (3n+4)
mong cac ban giai giup
giup em giai bai toan sau:A= 13a +19b+4a=2b với a + b =20
x=1+2+3+4+5+6...
CO BAN NAO GIAI GIUP MINH KO MINHCUNG KO CHAC DE NAY DUNG KO NUA MONG CAC BAN THONG CAM NHE
