Sagot :
bonjour
A = 5 ⁸ * 5 ⁻⁶ : 5 ⁻⁷
A = 5 ² : 5 ⁻⁷
A = 5 ⁹
B = ( 2 x 5 )² x ( 5²) ⁻³ x ( 2² x 5 ) ⁴
= 2 ² * 5 ² * 5 ⁻⁶ * 2⁸ * 5 ⁴
= 2 ¹⁰ * 5 ⁰
= 2 ¹⁰
C = ( 100 - 25 ) * 4 = 75 * 4 = 300 = 3 * 10 ²
allez finis
bonjour
A = 5 ⁸ * 5 ⁻⁶ : 5 ⁻⁷
A = 5 ² : 5 ⁻⁷
A = 5 ⁹
B = ( 2 x 5 )² x ( 5²) ⁻³ x ( 2² x 5 ) ⁴
= 2 ² * 5 ² * 5 ⁻⁶ * 2⁸ * 5 ⁴
= 2 ¹⁰ * 5 ⁰
= 2 ¹⁰
C = ( 100 - 25 ) * 4 = 75 * 4 = 300 = 3 * 10 ²
allez finis