lisa14710 lisa14710

18-02-2021
Mathematics

contestada

N°1. (1+1)x1-1
N°2. (2+2)x 2-6

Respuesta :

18-02-2021

Step-by-step explanation:

do () first

2*1-1

then multiplication

2-1

then subtraction

=1

same reason as above

4 *2 -6

8-6

=2

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