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Efectuati calculele:
4 radical 12•(3 radical 75 - 7 radical 27 + 2 radical 507 -8 radical 1200)

Va rog urgend


Răspuns :

4√12*(3√75-7√27+2√507-8√1200) =

= 4√12 ( 15√3 -21√3 +26√3 -160√3 ) =

= 4√12 * ( -140√3) =

= -4*2√3*140√3 =

= -4*2*3*140 = -3360