Va rog rezolvati aceasta problema:
[1.3x2.4+1.2x3-(5.6-4.2)²]x10-2.6


Răspuns :

[1.3x2.4+1.2x3-(5.6-4.2)²]x10-2.6=
=[3,12+3,6-31,36-47,05+17,64]*10-2,6=
=[6,72-78,42+17,64]*10-2,6=
=[-54,06]*10-2,6=
=-54,6-2,6=
=-57,2

 cred ca m facut bine