Các câu hỏi tương tự
s=1*2*3*4+2*3*4*5+....+97*98*99*100.tính s ik
Tính nhanh 1*2*3+2*3*4+3*4*5+4*5*6+...+98*99*100
S = 1^4 + 2^4 + 3^4 + ... + 100^4
Tính
\(S=\frac{\left(1^4+\frac{1}{4}\right).\left(3^4+\frac{1}{4}\right).\left(5^4+\frac{1}{4}\right).....\left(19^4+\frac{1}{4}\right)}{\left(2^4+\frac{1}{4}\right).\left(4^4+\frac{1}{4}\right).\left(6^4+\frac{1}{4}\right)....\left(20^4+\frac{1}{4}\right)}\)
Tính:
\(S=\frac{\left(1^4+\frac{1}{4}\right).\left(3^4+\frac{1}{4}\right).\left(5^4+\frac{1}{4}\right).....\left(19^4+\frac{1}{4}\right)}{\left(2^4+\frac{1}{4}\right).\left(4^4+\frac{1}{4}\right).\left(6^4+\frac{1}{4}\right)....\left(20^4+\frac{1}{4}\right)}\)
1; tính
a) A= -1^2+2^2-3^2+4^2...99^2+100^2
b) B= -1^2+2^2-3^2+4^2...+(-1)^n . n^2
tính A = (1^4 + 1/4 ).(3^4 +1/4)......(2019^4 + 1/4) / (2^4 + 1/4 ).(4^4 +1/4).......(2018^4 + 1/4)
tính
A) A= -1^2+2^2-3^2+4^2...99^2+100^2
b) B= -1^2+2^2-3^2+4^2...+(-1)^n.n^2
Tính giá trị của biểu thức
A= (1+1/4)(3^4 +1/4)(5^4 +1/4)...(29^4+1/4)/2^4+1/4)(4^4+1/4)(6^4+1/4)...(30^4+1/4)