Đề bài = -11/12*(1/8+3/16+1)=-11/12*21/16=-77/64
Đề bài = -11/12*(1/8+3/16+1)=-11/12*21/16=-77/64
6/7.5/11+5/7.2/11-5/7.14/11
giai chi tiet giup minh a
cam on:))
Tính nhanh : a) -1-2-3-4-5-.....-199-200-201-202 b) 1+2-3-4+5+6-7-8+9+10-11-12+13+98-99-100+101+102
Giai chi tiet giup minh nha !!! Minh tich cho !!
tinh nhanh (khong bam may tinh)
34 . 16 + 17 . 12 . 2 + 17 . 11 . 4
minh can cach giai chi tiet nha! khong can dap an
So sánh
a) \(\frac{1+11+11^2+...+11^{10}}{1+11+11^2+...+11^{11}}\) và\(\frac{1+12+12^2+...+12^{10}}{1+12+12^2+...+12^{11}}\)
b) A=3/4+8/9+15/16+...+899/900 và B=29
giup minh phan b) nhanh nhe
tim so tu nhien n biet:
4^11x25^11<5^n<20^12x5^12
2^n+3 x 2^n=144
1/9.3^3.3^n=3^7
1/2 x 2^n+4x2^n=9x2^5
giai chi tiet giup minh nha . Thanks cac ban nhiu :)))))
B=2/3-1/4+5/11 phan 5/12+1-7/11
nhanh thi kick nhung giai chi tiet
mai nap roi
(10/99 + 11/199 - 12/299) . (1/2 - 1/3 + -1/6)
tinh chi tiet cang nhanh cang tot nhe!
thuc hien phep tinh
(3^15 + 3^16 + 3^17) : (3^11 + 3^12 + 3^13) = ?
giup minh nha
(2^11+2^10+2^9+...+2^3+2^2+2+1):(2^8+2^4+1)
(nho trinh bay chi tiet do, ai nhanh nhat va giai chi tiet de hieu thi to tick cho)