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1.25:0.05-2√7*(-2.5-4.8)

Răspuns :

1.25:0.05-2√7*(-2.5-4.8) =
=25-2√7*(-7.3) =
=25+14,6√7

[tex]1,25:0,05-2 \sqrt{7}\cdot (-2,5-4,8)= 25-2 \sqrt{7} \cdot (-7,3)= 25+14,6 \sqrt{7} [/tex]