Question

Calculați: a) 5/9:5/9; b) 5/9:9/5; c) 5/9:7/11; d) 5/9:3

Answer 1

Răspuns:

a) 5/9 : 5/9 =

= 5/9 × 9/5

= 1

b) 5/9 : 9/5 =

= 5/9 × 5/9

= 25/81

c) 5/9 : 7/11 =

= 5/9 × 11/7

= 55/63

d) 5/9 : 3 =

= 5/9 : 3

= 5/9 × 1/3

= 5/27

Answer 2

Răspuns:

1; 25/81; 55/49; 5/27

Explicație pas cu pas:

a) 5/9:5/9=5/9*9/5= 45/45=1

b) 5/9:9/5=5/9*5/9=25/81

c) 5/9:7/11=5/9*11/7=55/49

d)5/9:3/1=5/9*1/3=5/27