Réponse :
Bonjour
A=3⁴×21²×(7²)²=
3⁴ ×3² ×7²× 7⁴=
3⁴⁺²×7²⁺⁴=
3⁶ ×7⁶=21⁶
B= 3⁸×21⁴×7⁻⁴=
3⁸ ×3⁴ ×7⁴ ×7⁻⁴=
3⁸⁺⁴ ×7⁴⁻⁴=
3¹²× 7⁰=
3¹²× 1=3¹²
C=(-1/6)⁶×1/8×(1/2)⁻³=
( 1/2)⁶ ×(1/2)³× (1/2)⁻³=
( 1/2)⁶⁺³⁻³=
(1/2)⁶
D=-(1/7)³×1/49×(-1/7)⁴=
-(1/7)³× (1/7)² ×(-1/7)⁴=
-(1/7)³⁺²⁺⁴=
-(1/7)⁹
E(2³×3⁻⁴×2⁻³/3²× 6⁻⁵× 9⁻¹)⁻¹=
2⁻³×3⁴×2³/3²×6⁵×9¹=
2⁻³×3⁴×2³/3²×2⁵×3⁵×3¹×3¹=
2⁻³⁺³ ×3⁴/3²⁺⁵⁺¹⁺¹×2⁵=
2⁰×3⁴/3⁹×2⁵=
2⁰⁻⁵×3⁴⁻⁹=
2⁻⁵× 3⁻⁵=
6⁻⁵
Explications étape par étape :
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réponse :
Bonjour
A=3⁴×21²×(7²)²=
3⁴ ×3² ×7²× 7⁴=
3⁴⁺²×7²⁺⁴=
3⁶ ×7⁶=21⁶
B= 3⁸×21⁴×7⁻⁴=
3⁸ ×3⁴ ×7⁴ ×7⁻⁴=
3⁸⁺⁴ ×7⁴⁻⁴=
3¹²× 7⁰=
3¹²× 1=3¹²
C=(-1/6)⁶×1/8×(1/2)⁻³=
( 1/2)⁶ ×(1/2)³× (1/2)⁻³=
( 1/2)⁶⁺³⁻³=
(1/2)⁶
D=-(1/7)³×1/49×(-1/7)⁴=
-(1/7)³× (1/7)² ×(-1/7)⁴=
-(1/7)³⁺²⁺⁴=
-(1/7)⁹
E(2³×3⁻⁴×2⁻³/3²× 6⁻⁵× 9⁻¹)⁻¹=
2⁻³×3⁴×2³/3²×6⁵×9¹=
2⁻³×3⁴×2³/3²×2⁵×3⁵×3¹×3¹=
2⁻³⁺³ ×3⁴/3²⁺⁵⁺¹⁺¹×2⁵=
2⁰×3⁴/3⁹×2⁵=
2⁰⁻⁵×3⁴⁻⁹=
2⁻⁵× 3⁻⁵=
6⁻⁵
Explications étape par étape :