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c) (7 la4-7 la 3):(7 la 2- 7)-2 la 3 × 5

calculati​


Răspuns :

Hey! :)

Am atasat rezolvarea. Succes!

Vezi imaginea AlishaMasha

(7^4-7^3):(7^2-7)-2^3×5=

=7^3×(7-1):7×(7-1)-8×5=

=7^3:7-40=

=7^2-40=

=49-40=9