giai ho toi nhe
(-3)-12.(+5)-(-5).(-7)mu 2
55-(-1350+64-(48+112)
(-2).12(+3)-(-7).(-5)mu 2
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 !!
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 :)))))
c.415.515
d.512.7-511.10
ai giai nhanh va chi tiet day du nhat thi se duoc 3 k
a,7/3.-5/2.15/21..4/-5
cac ban giai chi tiet cho minh nha
5/x+1-2y+3/4=1/5
Giai chi tiet giup minh nhe
Tinh nhanh:1+3-5-7+9+11-....-397-399
ai lam nhanh nhat mik tick cho1 giai chi tiet ra nhe
\(\dfrac{1}{4}\)+\(\dfrac{3}{4}\):\(\dfrac{-6}{-7}\)
giup minh giai chi tiet voi
B=2/3-1/4+5/11 phan 5/12+1-7/11
nhanh thi kick nhung giai chi tiet
mai nap roi