54+52+50+...+2 dau 89 puncte repede urgent

By: USER8769
1 September 2025 fizica 5 minutes
4.5
43 views 43 comments 6 shares
Responsive Ad Header

Question

Grade: Education Subject: fizica
54+52+50+...+2 dau 89 puncte repede urgent
Asked by:
43 Viewed 43 Answers

Answer (43)

Best Answer
(145)
Scriem suma invers
2+4+6+....+54=

Dam factor comun pe 2
2(1+2+3+...+27)=
2×27×28 supra 2 =
27×28=756

Answered on 1 September 2025

Related Articles

formulează enunțuri folosind expresiile: primăvara veselă,
frunza cea crudă, buburuza mică și drăguță.
​

114 views 114 comments

read the introduction to selene from the myths and legends of ancient greece and rome by e. m. berens. just as helios personified the sun, so his sister selene represented the moon, and was supposed to drive her chariot across the sky whilst her brother was reposing after the toils of the day. when the shades of evening began to enfold the earth, the two milk-white steeds of selene rose out of the mysterious depths of oceanus. seated in a silvery chariot, and accompanied by her daughter herse, t

160 views 500 comments

Cum pot gasi termenul regent intro propozitie???

49 views 49 comments

Sebutkan tokoh tokoh nasional yang dikenal sebagai pemimpin Putera

66 views 66 comments

The activities that take place to meet human needs can often be harmful to ecosystems. By developing sustainable practices, however, we can help protect our environment. Which of the following changes would be most helpful in reaching sustainability?

A) Building more water treatment facilities

B) Releasing aquaculture-raised fish into the natural environment

C) Mining the seafloor to remove valuable energy resources

D) Using natural gas for fuel in

160 views 500 comments

10 sen berapa ribu
20 sen berapa ribu??

45 views 45 comments

scrie nr 168 ca o suma de trei termeni astfel fiecare terman sa fiedublu precedentului

86 views 86 comments

jika biaya transportasi naik maka harga sembako juga naik adalah

64 views 64 comments

Care este masa unui volum de apa,de 1litru, cu densitatea de 1Kg/l,

67 views 67 comments

apakah atheis melanggar sila pertama pancasila dan harus dihukum? contoh kasus nya jika ada..

94 views 94 comments

de scris reteta unui copil educat si cultural

45 views 45 comments

Caracterizeaza in 15-20 de randuri de caiet studentesc pe personajul Ionel din Schita Vizita... De I.L Caragiale. Va rog ajutor..!!!! Sa nu fie e pe net luata!!

160 views 160 comments

Fa o compunere cu titlul peisaj de primavara in care sa folositi adverbe. VA ROG AJUTOR!! REPEDE VA ROGG! DAU 90puncte

118 views 118 comments

What makes upper stomach hard and bloated after ventral hernia surgery?

71 views 71 comments

recunoasteti numarul si persoana verbului;
zboara

61 views 61 comments