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calculeazaa: [(9^2-2^4*5):10+7^13:(7^3)^4]2^2

Răspuns :

Salut!

[(9²-2⁴x5):10+7¹³:(7³)⁴]x2²=

[(81-16x5):10+7¹³:7¹²]x4=

[(81-80):10+7]x4=

(1:10+7)x4=

(1/10+70/10)x4=

71/10x4=

71x2/5=

=142/5

=28,4

Succes!