22-05-2021
Mathematics

contestada

1^2-2^2+3^2-4^2+...+19^2-20^2
А. 210
В. 180
С. - 180
D. -210
Е. - 360

Respuesta :

mishacute mishacute

23-05-2021

Answer:

E. -360

Step-by-step explanation:

CARRY ON LEARNING

MARK BARINLITS

HEEART, FOLLOW, COMMENT, STAR4

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