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{3+[27+(12x-15):9}:8}*7 =49

Răspuns :

uite rezolvarea aici sper sa fie buna dar am si verificat deci e ok
Vezi imaginea RIANABOBEICA
= 3+[27+(12X-15):9]:8=49:7
=3+[27+(12X-15):9]:8=7
=[27+(12X-15):9]:8= 7-3
= [27+(12X-15):9]:8= 4
= 27+(12X-15):9= 8x4= 32
= (12X-15):9= 32-27=5
= 12X-15= 9x5= 45
= 12X= 45+15= 60
X= 60:12
X= 5