Mathematics, 28.01.2021 19:50 vlactawhalm29

He used the following steps:12/1 x 3/4=36/4 -36/4=9
What error did Robert make?
OA) Robert used subtraction rather than multiplication.
OB) Robert used addition rather than multiplication.
Robert forgot to find the reciprocal of before
OC)
multiplying
Robert forgot to find the reciprocal of 1 before
multiplying.
OD)

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He used the following steps:12/1 x 3/4=36/4 -36/4=9
What error did Robert make?
OA) Rob...

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