Toán Lớp 6: | 1 mũ 2 + 2 mũ 2 + … + 100 mũ 2 | . | 3 mũ 4 – 9 mũ 2 |
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 6: | 1 mũ 2 + 2 mũ 2 + … + 100 mũ 2 | . | 3 mũ 4 – 9 mũ 2 |
Comments ( 2 )
| 1² + 2² + …. + 100² | . | 3⁴ – 9² |
=| 1² + 2² + …. + 100² | . | 81 – 81 |
= | 1² + 2² + …. + 100² | . | 0 |
=| 1² + 2² + …. + 100² | . 0
= 0
|1^2+2^2+….+100^2|.|3^4-9^2|=|1^2+2^2+….+100^2|-|3^4-(3^2)^2|
=|1^2+2^2+….+100^2|-|3^4-3^4|
=(1^2+2^2+….+100^2).0=0