135x125ampertit ( 30 -5 ) -670

dau coroqana jur jur


Răspuns :

135×125:(30-5)-670=
=135×125:25-670=
=135×5-670=
=675-670=
=5
135×125:(30-5)-670=
135×125:25-670=
16875 :25-670=
675-670=5