Bonsoir,
10x³-2⁴x((-5)²-3x5)
10x3³-2⁴x(25-15)
10x3³-2⁴x10
10(3³-2⁴)
10(27-16)
10x11
=110
3⁻²-3⁻²x2⁻¹
(1-2⁻¹)x3⁻²
(1-1/2)x1/3²
1/2x1/9
=1/18
0.0018x10⁷=18 000
4 537 000x10⁻⁵
4 537 000x1/10⁵
4 537 000/10⁵
4 537 000/100 000
=4537/100
0.05x10⁻²
1/20x1/10²
1/20x1/100
=1/2000
3x10⁻⁴x5x(10²)⁶/25x10⁻²
3x10⁻⁴x10¹²/5x10⁻²
3x10⁻⁴x10¹⁴/5
3x10⁻⁴x2¹⁴x5¹⁴/5
3x10⁻⁴x2¹⁴x5¹³
3x5⁻⁴x2⁻⁴x2¹⁴x5¹³
3x5⁹x2¹⁰
3x5⁹x1024
=3072x5⁹
