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36:4x(40:8)+25 -20 =12 + 4 x (19 - 8 x 2 ) = ?

Răspuns :

36:4x(40:8)+25-20=12+4x(19-8x2)=
9x5+5=12+4x(19-16)=
45+5=12+4x3=
50=12+12=
50=24
9×5+25-20=12+4×(19-16)=
=45+25-20=12+4×3=
=70-20=12+12=
=50=24

Sper ca te-am ajutat!!!! !(: