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AndreeaNine
a fost răspuns

Va roog, ajutati-ma!

Calculati:

b) 5-2×[(-12):3]^2+[(-2)^3]^2=

c) -2-4-6-...-2000=

d) 4563×34-4563×200+166×4563=

e) 2v×(-1)^k+3×(-1)^k+1-(-2)×(-1)^k+2 , k € N

Va Roog AjutatimaCalculatib 521232232c 2462000d 45633445632001664563e 2v1k31k121k2 K N class=

Răspuns :

5-2×[(-12):3]^2+[(-2)^3]^2=
5-2*(-4)^2+(-8)^2
5-2*16+64=
5-32+64=
27+64=91

c)-2-4-6-...-2000=
2(1+2+3+...+1000)=
-2*1000*1001/2=
-1001000

d) 4563×34-4563×200+166×4563=
155142-912600+757458=
-757458+757458=0

e nu mai stiu exact cum venea 

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