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Repede va rogg daca pot sa dau coroana​

Repede Va Rogg Daca Pot Sa Dau Coroana class=

Răspuns :

a) 3+3x[3+3:3x(3+9)]:15=
=3+3x(3+3:3x12):15
=3+3x(3+12):15
=3+3x15:15
=3+3=6

b) 812-4x[6x(61-10)]:9=
=812-4x(6x51):9
=812-4x306:9
=812-4x34
=812-136=676

c) [214+240:(16-10)]x25-1=
=(214+240:6)x25-1
=(214+40)x25-1
=254x25-1
=6349