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[(-2)^46+(-2)^45+(-2)^44]:[7*(-2)^44]=


Răspuns :

[(-2)⁴⁶+(-2)⁴⁵+(-2)⁴⁴]:[7*(-2)⁴⁴]=
(-2)
⁴⁴[(-2)²+(-2)+1]:[7*(-2)⁴⁴]=
(-2)
⁴⁴(4-2+1):[7*(-2)⁴⁴]=
(-2)
⁴⁴*3
______=3/7
[7*(-2)⁴⁴]