Le langage mathématique de base.
Cours : Le langage mathématique de base.. Rechercher de 53 000+ Dissertation Gratuites et MémoiresPar karina24 • 1 Août 2016 • Cours • 886 Mots (4 Pages) • 871 Vues
MODULE 1 – Language mathématique de base
Travail Noté 1
Question 1 (10 points)
- 17 – (8x2) + (3x4)
17 – 16 + 12
17-28 = 11
- 14 – 3 + 24 ÷3 x 2
14 – (3 + 24) ÷ (3 x 2)
14 – (27 ÷ 6)
14 – 4,5 = 9,5
- (4 + 8) ÷ 2 + (13 - 3) x 5
(12 ÷ 2) + (10 x 5)
6 + 50 = 56
- -72 + 14 x (-3)
-72 + (14 x (-3))
-72 + (-42) = -114
- [pic 1]
-21 +((-9) x 3 – (20) x 2)
-21 + ((-9) x 3) – (20 x 2))
-21 + ((-27) – 40)
-21 + 67 = -45
Question 2 (15 points)
- 235 000 – 34000
62000 + 34 000
1 – 38%
- 000
62000 + 34 000
1 - 0.38
201 000
62 000 + 34 000
0.62
201 000
100 000 + 34 000
2.01+ 34 000
= 34 002,01
- – 12 – (-18) + 11 x 4
-5 + 45 ÷ (-9)
- 12 + 18 + 11 x 4
-5 + (-5)
- 12 + 18 + 4
- 10
- 6 + 4
- 10
2
-10
= -0.2
- 88 000
1 + 1/3
1 x 3 = 3
3 + 1 = 4
88 000
4/3
88 000
1.333333333333333
= 66 000
- 64 000 (2,4 – 1,3)
64 000 (2,4 – 1,3) – 17 600
64 000 x 1,1
64 000 x 1.1 – 17 600
70 400
70 400 – 17 600
70 400 ÷1600
52 800 ÷1600
44 ÷ 11
33 ÷ 11
= 4
3
- (42 000 x 0,9 + 20 000 x 0,9) x 5,435 – (50 000 x 0,8 + 60 000 x 0,8)
(37 800 + 18 000) x 5,435 – (40 000 + 48 000)
55 800 x 5,435 – 88 000
303 273 – 88 000
= 215 273
Question 3
- -3 x -3 x -3 x -3
= -81
- 4 x 4 x 4
= 64
64 x 64
= 4096
- 491
= 49
- 15
3 4-3
15 ÷ 3 = 5
31 ÷ 3 = 11
= 5
- 10 x 10 = 100
10 x 10 x 10 = 1000
100 ÷ 100
1000 100[pic 2]
1
10
Question 4
- [pic 3]
=[pic 4]
=[pic 5]
=[pic 6]
= 125
- 6 2x3
66
6 x 6 x 6 x 6 x 6 x 6
= 46 656
- 3/4[pic 7]
1
4[pic 8]
1
= [pic 9][pic 10]
- = = = [pic 11][pic 12][pic 13][pic 14]
Question 5
= = = 0,695 x 100 = 69,5%[pic 15][pic 16][pic 17]
Question 6
100% - 2.5% = 97.5%
97.5% x 45 920 = x 45 920 = 447.42[pic 18]
2.5% x 45 920 = 1148[pic 19]
Question 7
1800$ x 4.5% = 1800$ x = 18 x 4.5 = 81$ par année[pic 20]
81 ÷ 4 mois = 20.25$
Question 8
- 62 000$ x 5,5% = 62 000$ x = 620 x 5,5 = 3 410$ = 3 410$ x 4 = 13 640$ pour 4 ans[pic 21]
- 3 410$ x 48% = 3 410$ x = 34,10$ x 48 = 1636,80$/an[pic 22]
- 3410$ - 1636,80$ = 1773,20$
Question 9
- 16 000$ x 6,6% = 16 000$ x = 160$ x 6,6 = 1 056$[pic 23]
- 17 056$ x 6,6% = 17 056$ x = 170,56$ x 6,6 = 1 125,70$[pic 24]
- 16 000$ + 1 056$ + 1 125,70$ = 18 181,70$
Question 10
0,91$ 3,5% = 0,91$ = 0,26$ x 100 = 26$[pic 25][pic 26][pic 27]
...