Răspuns:
a) 9⁴⁵ : 9⁴²- 2¹ˣ 3³+ 20²=
9³-2ˣ 27 + 20²=
729 - 54 + 400=
675+400=1075
b) 4³ₓ 5²+ 225¹ₓ12²-54⁰
64ˣ25+225ˣ144-1=
1600+32400-1=
34000-1=33999
c)3¹⁷ˣ 7¹⁷-21¹⁷=
(3ˣ7)¹⁷-21=
21¹⁷-21¹⁷=o
d) 3¹⁸ ˣ3¹⁸:(6¹⁶ˣ4¹⁶)=
3¹⁸ˣ8¹⁸:24¹⁶=
24¹⁸:24¹⁶=24²
Explicație pas cu pas: