Zapisz 25 x 4(do potęgi minus 4) - 9 x 16(do potęgi minus 2) w postaci potęgi o wykładniku ujemnym .
25*4⁻⁴-9*16⁻²=
25*4⁻⁴-9*4⁻⁴=
4⁻⁴(25-9)=
4⁻⁴*16=
4⁻⁴*4²=
4⁻²=
(¼)²=
¹/₁₆
25*4⁻⁴-9*16⁻²= 25*4⁻⁴-9*4⁻⁴= 4⁻⁴(25-9)= 4⁻⁴*16= 4⁻⁴*4²= 4⁻²
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25*4⁻⁴-9*16⁻²=
25*4⁻⁴-9*4⁻⁴=
4⁻⁴(25-9)=
4⁻⁴*16=
4⁻⁴*4²=
4⁻²=
(¼)²=
¹/₁₆
25*4⁻⁴-9*16⁻²= 25*4⁻⁴-9*4⁻⁴= 4⁻⁴(25-9)= 4⁻⁴*16= 4⁻⁴*4²= 4⁻²