Réponse :
Explications étape par étape
Bonjour
Pose et effectue au centieme pres :
a- 309 : 4 = 77,25
309 .....| 4
..............|———
-28........| 77,25
029.......|
- 28........|
...010...... |
...-08 .....|
.......20 ...|
......-20 ...|
.......00 ...|
b- 845 : 3 = 281,66
845..........|.....3
..................|————-
-6...............| 281,66
245..........|
-24.............|
....05..........|
...-03..........|
.......20.......|
.......-18.......|
..........20....|
..........-18....|
.............2....|
c- 4 735 : 6 = 789,16
4735................|.....6
..........................|————
-42.....................| 789,16
0535.................|
.-48....................|
..055.................|
...-54.................|
.....010...............|
.......-6................|
.........40.............|
.........-36............|
.............4............|
d- 12 087 : 7 = 1726,71
12 087....................| 7
.................................|——————
-07.............................| 1726,71
05087......................|
...-49..........................|
.......187......................|
......-14........................|
.........47......................|
........-42.....................|
............50...................|
............-49..................|
................10................|
................-7.................|
.................3.................|
