Question

2.Efectuati înmulțirile: a) 2▪︎ 5/7 ; b) 3▪︎2/5 ; c) 4▪︎9/11 ; d) 5▪︎3/10 e) 7/30▪︎20; f) 8/9▪︎27. va rogg rapid ​

Answer 1

Răspuns:

Explicație pas cu pas:

a) 2▪︎ 5/7 = 10/7 = 1 3/7 ;

b) 3▪︎2/5 = 6/5 = 1 1/5 ;

c) 4▪︎9/11 = 36/11 = 3 3/11 ;

d) 5▪︎3/10 = 15/10 = 3/2 = 1 1/2 ;

e) 7/30▪︎20 = 14/3 = 4 2/3 ;

f) 8/9▪︎27 = 8 x 3 = 24.