Tính nhanh :
A = ( 1 + 7/9 ).(1+7/20).(1+7/33 )....( 1 + 7/2900 )
1-tính tích
p=(1+7/9)(1+7/20)(1+7/33)...(1+7/2900)
Tính và so sánh:
a. A= ( 1+7/9)(1+7/20)(1+7/33).............(1+7/2900) với 7
tính
a=(1+(7/9))x(1+(7/20))x(1+(7/33))x...........x(1+(1/2900))
(1+7/9)*(1+7/20)*(1+7/33)*...*(1 + 7/2900) = ?
chứng minh rằng :(1+7/9)(1+7/20)(1+7/33).......(1+7/2900)=7 1/29
tính tổng\(A=\left(1+\frac{7}{9}\right).\left(1+\frac{7}{20}\right).\left(1+\frac{7}{33}\right)....\left(1+\frac{7}{2900}\right)\)
Tính
\(A=\left(1+\frac{7}{9}\right)\left(1+\frac{7}{20}\right)\left(1+\frac{7}{33}\right)....\left(1+\frac{7}{2900}\right)\)
tính tích P=[1+\(\frac{7}{9}\)].[1+\(\frac{7}{20}\)].[1+\(\frac{7}{33}\)]...[1+\(\frac{7}{2900}\)]