Sagot :
Bonjour,
30)
a y = 3
A = 7 * y
A = 7 * 3
A = 21
B = 4 * y + 3
B = 4 * 3 + 3
B = 12 + 3
B = 15
b. y = 4,5
A = 7 * y
A = 7 * 4,5
A = 31,5
B = 4 * y + 3
B = 4 * 4,5 + 3
B = 18 + 3
B = 21
c. y = 1
A = 7 * y
A = 7 * 1
A = 7
B = 4 * y + 3
B = 4 * 1 + 3
B = 4 + 3
B = 7
d. y = 0
A = 7 * y
A = 7 * 0
A = 0
B = 4 * y + 3
B = 4 * 0 + 3
B = 3
31)
a. x = 5
C = 3 * (x + 2)
C = 3 * (5 + 2)
C = 3 * 7
C = 21
D = 2 + 5 * x
D = 2 + 5 * 5
D = 2 + 25
D = 27
b. x = 1,5
C = 3 * (x + 2)
C = 3 * (1,5 + 2)
C = 3 * 3,5
C = 10,5
D = 2 + 5 * x
D = 2 + 5 * 1,5
D = 2 + 7,5
D = 9,5
c. x = 8
C = 3 * (x + 2)
C = 3 * (8 + 2)
C = 3 * 10
C = 30
D = 2 + 5 * x
D = 2 + 5 * 8
D = 2 + 40
D = 42
d. x = 0
C = 3 * (x + 2)
C = 3 * (0 + 2)
C = 3 * 2
C = 6
D = 2 + 5 * x
D = 2 + 5 * 0
D = 2
32)
a. x = 3
E = 5 * x
E = 5 * 3
E = 15
F = 2 * (4 + 5 * x)
F = 2 * (4 + 5 * 3)
F = 2 * (4 + 15)
F = 2 * 19
F = 38
G = 2 + 3 * x
G = 2 + 3 * 3
G = 2 + 9
G = 11
b. x = 10
E = 5 * x
E = 5 * 10
E = 50
F = 2 * (4 + 5 * x)
F = 2 * (4 + 5 * 10)
F = 2 * (4 + 50)
F = 2 * 54
F = 108
G = 2 + 3 * x
G = 2 + 3 * 10
G = 2 + 30
G = 32
c. x = 0,1
E = 5 * x
E = 5 * 0,1
E = 0,5
F = 2 * (4 + 5 * x)
F = 2 * (4 + 5 * 0,1)
F = 2 * (4 + 0,5)
F = 2 * 4,5
F = 9
G = 2 + 3 * x
G = 2 + 3 * 0,1
G = 2 + 0,3
G = 2,3.
Bonjour
Ex 30:
A=7xy. A=7xy A=7xy
A=7x3 A=7x4,5 A=7x1
A=21 A=31,5 A=7
A=7xy
A=7x0
A=O
B=4xy+3 B=4xy+3 B=4xy+3
B=4x3+3 B=4x4,5+3 B=4x1+3
B=12+3 B=18+3 B=4+3
B=15 B=21 B=7
B=4xy+3
B=4x0+3
B=4+3
B=7
Ex 30:
A=7xy. A=7xy A=7xy
A=7x3 A=7x4,5 A=7x1
A=21 A=31,5 A=7
A=7xy
A=7x0
A=O
B=4xy+3 B=4xy+3 B=4xy+3
B=4x3+3 B=4x4,5+3 B=4x1+3
B=12+3 B=18+3 B=4+3
B=15 B=21 B=7
B=4xy+3
B=4x0+3
B=4+3
B=7