Question

2. [ 8 + ( 4 - 2)] + [ 9 – (3 + 1) ]

Answer 1

ΗΘΙΑ

procedimiento :

$2. [ 8 + ( 4 - 2)] + [ 9 - (3 + 1) ]$

$=2.10+[9-(3+1)]$

$=2.10+5$

$=20+5$

$=25$

salu2!!