\(48+172+2015+\left(-220\right)\)
\(=220+2015+\left(-220\right)\)
\(=2235+\left(-220\right)\)
\(=2015\)
\(48+172+2015+\left(-220\right)\)
\(=220+2015+\left(-220\right)\)
\(=2235+\left(-220\right)\)
\(=2015\)
Giup Minh voi : (2x+6)*2^2015 =5*2^2016
tim x thuoc Z
2/2.3 + 2/3.4 + 2/4.5 + ... + 2/x(x+1) = 2015/2017
giup voi nha
ai nhanh nhat mk tich cho
thank you hihi
(x-9)^2015=(x-9)^2017 cac ban oi giup minh voi
2015 ×(2015-1)×(2015-2)×(2015-3)×...(2015-k)
Voi k€ N va tich trên co dung 2016 thua so.
May ban giup mink nhanh chóng thi mink tick cho nha.
giup toi voi bai nay kho qua ( -48) + (-49)
so sánh:
A=2015^2014+1/2015^2015+1 va B=2015^2015+1/2015^2016+1(giup mk vs)
1+5+2+10+3+15+4+20+...+2015+?
moi nguoi giup em voi
Tinh Hop ly:
a. (-12)*(-125)*(+17)
b. (-168)+(+72)*(-168)+(-168)*(+27)
c. 48* (-21) + (142)*(-24)
GIUP MK VOI , MAI PHAI NOP CHO THAY ROI.BAN NAO NHANH MA DUNG MK TICK CHO.THANK YOU...
| x + 2 | = | -50 | + ( -48 )
giup toi voi, toi chua hoc phep tru cac so nguyen am