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(6+2 la puterea10 :2 la puterea 8)la puterea7:10la puterea 5-9x10

Răspuns :

Lia96
=[6+2^(10-8)]^7 :10^5 -90 =[6+2^2]^7 : 10^5 -90 =10^7 :10^5-90 =10^(7-5) -90 =10^2 -90 =100-90=10
Mimisimi
(6+2¹⁰:2⁸)⁷:10⁵-9×10=(6+2²)⁷:10⁵-90=
                               =10⁷:10⁵-90=10³-90=1000-90=910