Các câu hỏi tương tự
thuc hien phep cac phep tinh sau:
a, (1-1/2).(1-1/3).(1-1/4)...(1-1/100)
b, (1+1/1.3).(1+1/2.4).(1+1/3.5)...(1+1/99.101)
(1+1/1.3).(1+1/2.4)(1+1/3.5)....(1+1/99.101)
(1+1/1.3).(1+1/2.4).(1+1/3.5).........(1+1/99.101)
(1+1/1.3)(1+1/2.4)(1+1/3.5)...(1/1+1/99.101)
Tính H = (1 + 1/1.3)(1 + 1/2.4)(1 + 1/3.5)...(1+1/99.101)
V=(1+1/1.3).(1+1/2.4).(1+1/3.5)....(1+1/99.101)
Tính nhanh
Tính
D=(1+1/1.3)(1+1/2.4)(1+1/3.5).............(1+1/99.101)
A= 1+2+2^2+...+2^2018
B= 3+3^2+3^3+...+3^2017
C= 1+5^2+5^4+...+5^2018
D= 1.3+2.4+3.5+...+99.101
Tính nhanh:
M = ( 1 + 1/1.3 ) . ( 1 + 1/2.4 ) . ( 1 + 1/3.5 ) .... ( 1 + 1/99.101 )
N = 1.3.5 + 2.6.10 + 4.12.20 + 7.21.35 / 1.3.5 + 2.10.14 + 4.20.28 + 7.35.49