Question

Please ajutor Dau Coroanã si mã abonez!!​

Answer 1

Răspuns:

1/11-1/33= ...nu știu

7/11-⅝= 2/3

13/30-2/45= 11/15

13/60-7/40= 6/20

2 5/8- 1 3/10= 21/8- 13/10= 8/-2

sper că te-am ajutat!!!

Answer 2

Răspuns:

Explicație pas cu pas:

a)

³⁾1/11-1/33

= 3/33- 1/33

= 2/33

-

Proba :

2/33+1/33= 3/33

-

b)

⁸⁾7/11-⁷⁾5/8

=56/56- 35/56...........56/56= 1

= 21⁽⁷/56⁽⁷

= 3/8

-

Proba :

3/8+5/8 = 8/8 ........8/8= 1

-

d)

³⁾13/30 -²⁾2/45

= 39/90 - 4/90

= 35/90

Proba :

35/90 +²⁾2/45

= 35/90+4/90

= 39⁽³/90⁽³

= 13/30

-

d)

²⁾13/60-³⁾7/40

= 26/120 -21/120

= 5/120

-

Proba :

5/120+ ³⁾7/40

=5/120+21/120

= 26⁽²/120⁽²

= 13/60

-

d)

2⁵/₈-1³/₁₀

=⁵⁾21/8-⁴⁾13/10

= 105/ 40 -52/40

= 53/40

-

Proba :

53/40+ ⁴⁾13/10

=53/40+⁴⁾13/10

=53/40+ 52/40

= 105/40