(7¹⁴x5)²:7²⁶=(7²⁸x5²):7²⁶
=7²x5²
=(7x5)²
=35²
=1225
(7⁶)⁸:49²⁴=7⁴⁸:(7²)²⁴
=7⁴⁸:7⁴⁸
=7⁰
=1
(3⁴)⁹:(9⁶)³=3³⁶:[(3²)⁶]³
=3³⁶:3³⁶
=3⁰
=1
[11²⁰¹¹x(2²)¹⁰⁰⁵]:(22¹⁰)²⁰¹=(11²⁰¹¹x2²⁰¹⁰):(11²⁰¹⁰x2²⁰¹⁰)
=11x2⁰
=11x1
=11
2²³:2²¹:2+3³²:3³¹x3=2²³⁻²¹⁻¹+3³²⁻³¹⁺¹
=2¹+3²
=2+9
=11