Règles de priorités
Cours : Règles de priorités. Recherche parmi 300 000+ dissertationsPar Harmonie Villée • 14 Avril 2017 • Cours • 736 Mots (3 Pages) • 676 Vues
Supprime les parenthèses puis calcule. | |
1200 – (100 + 3) = | .............................................................................................. |
737 + (100 – 3) = | .............................................................................................. |
900 – (200 – 1) = | .............................................................................................. |
179 + (21 + 37) = | .............................................................................................. |
208 – (100 – 5) = | .............................................................................................. |
1000 – (100 + 17) = | .............................................................................................. |
1000 – (17 + 100) = | .............................................................................................. |
1000 – (100 – 12) = | .............................................................................................. |
1000 – (–12 + 100) = | .............................................................................................. |
Calcule (attention, les opérations sont mélangées). |
– 5 – 3 = | .......... | – 2 + 7 = | .......... | – 4 . 2 = | .......... | 15 – 2 = | .......... | |
(– 5) . (– 3) = | .......... | – 2 . (– 7) = | .......... | (– 4) + 2 = | .......... | 15 . (– 2) = | .......... | |
+ 5 – 3 = | .......... | – 2 – 7 = | .......... | (– 4) . (– 2) = | .......... | – 15 – 2 = | .......... | |
(+ 5) . (–3) = | .......... | – 7 . (– 2) = | .......... | – 4 – 2 = | .......... | –15 . (– 2) = | .......... | |
3 – 5 = | .......... | – 2 . 7 = | .......... | 2 – 4 = | .......... | – 2 + 15 = | .......... | |
d) | Calcule la valeur numérique des expressions suivantes si tu sais que :
|
b + a= | – 2 . a = | ||
3 . c = | – 5d = | ||
2b = | a + d = | ||
b – c = | a . b . c = | ||
a – b = | b + c + d = | ||
| |||
a2 = | 5 . c3 = | ||
b3 = | 3 . b2 = | ||
d3 = | 2 . d2 = | ||
c5 = | 8b3 = | ||
b2 = | – 10d3 = |
Calcule la valeur numérique des expressions suivantes si tu sais que :
|
a – c – d + d = | 5a – 2d = | ||
c – d – b – a = | b . (c + a) = | ||
3a + 2c = | d . (b – a) = | ||
2b + 5d = | – 2 . (b – d) = | ||
– 3d – 5c = | (b + a) . (d + c) = | ||
– 2b – 3a = | (c + b) . (a – d) = |
Utilise les Règles de priorités |
5 + (– 2) . 7 = | 3 . (– 2) + 4 = | ||
2 . (– 6) + (– 5) . (– 3) = | – 4 + 3 . (– 2) = | ||
4 + (– 2) . 5 + 7 = | – 9 . 3 + 2 . (– 5) = | ||
–2 . 5 + (– 4) . 7 = | 22 – 3 . (– 6) = | ||
4 – 5 . (– 7) = | – 8 . (– 2) – 5 . 3 = | ||
|
| – 8 . 5 + (– 2) . 3 = |
...