Mong MN giải giùm nha!
*3^14:(3^9.27)+5^2.2^5-4^3
*2^3.5-3^2.4+4.6
TÍNH:\(\frac{2^2}{1.3}.\frac{3^2}{2.4}.\frac{4^2}{3.5}.\frac{5^2}{4.6}\).
Tính giá trị biểu thức sau
1^2/1.2 x 2^2/2.3 x 3^3/3.4 x 4^2/4.6 x 5^2/5.6
Tính
A=13/21.2/11+13/21.9/11+8/21.
B=(1-1/5).(1-2/5).(1-3/5)...(1-9/5)
C= (1-1/2).(1-1/3).(1-1/4)...(1-1/50)
D= 2²/1.3 . 3²/2.4 . 4²/3.5 . 5²/4.6 . 6²/5.7
Tính giá trị biểu thức
a) 2/5.1/3-2/15:1/5+3/5.1/3
b) 4/2.4+4/4.6+4/6.8+....+4/2008.2010
Tính \(C=\frac{2^2}{1.3}.\frac{3^2}{2.4}.\frac{5^2}{3.5}.\frac{4^2}{4.6}\)
tìm B biết B=2^2/3.3^3/8^2.4^4/15^3.5^5/24^4.6^6/35^5.7^7/48^6.8^8/63^7.9^9/80^8
30.4^7.3^99-5.14^5-2^12/5^4.6^14.9^7-12.8^5.7^6
tính A=5/2.4+5/4.6+5/6.8+...+5/98.100
B=-2/1.2+-2/2.3+-2/3.4+...+-2/2015.2016