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afla termenul necunoscut
[(13+12*m)*10-330]:100=13.

Răspuns :

Renatemambouko
[(13+12*m)*10-330]:100=13
(13+12*m)*10-330=1300
(13+12*m)*10=1300+330
(13+12*m)*10=1630
13+12*m=163
12*m=163-13
12*m=150
m=150:12
m=12,5
Aici este rezolvarea fara greseala realizata de tine !

[(13+12*m)*10+330]:100=13
(13+12*m)*10+330=13x100
(13+12*m)*10+330=1300
(13+12*m)*10=1300-330
(13+12*m)*10=970
13+12*m=970/10
13+12*m=97
12*m=97-13
12*m=84
m=84/12
m=7



Sper ca te-am ajutat ! :)

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