Matemática, perguntado por robertacostq, 1 ano atrás

Calcule:
a) 2,33333... × 1,75
b) 1,25555... × 4,4444444...
c) 0,757575... ÷ 0,666666...

Soluções para a tarefa

Respondido por maricotaedu
7
a) x=2,333..
10x=23,333...
9x=21
x=21/9

175/100 x 21/9 =3675/900=375/60=25/4

B) x= 1,2555...
10x=12,555...
100x=125,555...

90x=113
x=113/90

X=4,444...
10x=44.444...
9x=40
x=40/9
113/90 X 40/9=4520/810=2260/405=4052/81

C) 75/99 X  6/9 =450/891







Respondido por Samiralais0
0

a) x=2,333..

10x=23,333...

9x=21

x=21/9

175/100 x 21/9 =3675/900=375/60=25/4

B) x= 1,2555...

10x=12,555...

100x=125,555...

90x=113

x=113/90

X=4,444...

10x=44.444...

9x=40

x=40/9

113/90 X 40/9=4520/810=2260/405=4052/81

C) 75/99 X  6/9 =450/891

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