Question

Dau coroniTA SI 40 PUNCTE

Calculati:

intregul 12 fractia 13/16- intregul 11 fractia 9/16

intregul 15 fractia 17/20- intregul 12 fractia 13/20

intregul 15 fractia 23/35 - intregul 9 fractia 16/35

intregul 24 fractia 17/30 - intregul 15 fractia 11/30

Answer 1

Răspuns:

Explicație pas cu pas:

12si 13/16-11 si 9/16=(205-185)/16=20/16=5/4

15 si 17/20-12 si 13/20=(317-253)/20=64/20=16/5

15 si 23/35-9 si 16/35=(548-331)/35=217/35

24 si 17/30-15 si 11/30=(737-461)/30=276/30=138/15=46/5