4rrrrtt 4rrrrtt

28-05-2019
Mathematics

contestada

could somone help me please??? for 12 points

could somone help me please for 12 points class=

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sonicbeat169 sonicbeat169

28-05-2019

there is an error because -9 x 1 = -9 not -1. But I would assume that you multiply -9×-1 and then -9×-2 ect.

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