Răspuns :
(7^14×5)^2 : 7^26=
=7^(14×2)×5^2 :7^26=
=7^28 ×25:7^26=
=7^(28-26) ×25=
=7^2×25=
=49×25=
=1225
=7^(14×2)×5^2 :7^26=
=7^28 ×25:7^26=
=7^(28-26) ×25=
=7^2×25=
=49×25=
=1225
( 7¹⁴ x 5 )² : 7²⁶ = 1 225
= 7¹⁴ˣ² x 5² : 7²⁶ =
=5² x 7 ⁽ ²⁸ ⁻ ²⁶ ⁾ =
= 25 x 7² =
= 25 x 49 =
= 1 225