Các câu hỏi tương tự
thuc hien phep tinh:-39.(5-99)+99.(10-99)
thuc hien phep tinh:-39.(5-99)+99.(10-39) hay giai ra cho minh nhe
1:" thuc hien phep tinh : (-1)+2-3+4-....-99+100
THUC HIEN PHEP TINH
1+1^3+1^4+... +1^98 +1^99
help me mik like
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
thuc hien phep tinh
a) S1=2+2^2+2^3+...+2^90
b)S2= (-2) +(-2)^2 +(-2)^3+...(-2)^100
c)S3=2^100-2^99-2^98-2^97-...-2^2-2-1
d)S4=1-3+5-7+...+2001-2003+2005-
Thuc hien phep tinh
A/-120 - 18×(-5+6)
B/465+(-38)+(-465)+10+(-42)
Thuc hien phep tinh :
-4/7 . 2/5 + 6/7 . -3/10
Help me !!!! Thanks
tinh tong gia tri bieu thuc :
a)A=1+1/3+1/5+...+1/97+1/99/1/1*99+1/3*97+1/5*95+...+1/97*3+1/99*1
b)B=1/2+1/3+1/4+...+1/100/99/1+98/2+97/3+...+1/99