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calculari valorile nr N=(√90-√40) la a 2 - √26 la a 2 -24 la a 2

Răspuns :

(√90-√40)²-√26²-24²=
90-2*√3600+40-26-576=
90-2*60+40-26+576=
90-120+14+576=
-30++590=560