Răspuns :
a) 517+1999 -709+499=2516+1200=3716 b) 72x5-18:9=360-2=358 c)99x5+840-267+500:2=495+840-267+250=1335-517=818
a) (517+1999)-(709-499)=
b) (72x5):(18:9)=
c) (99x5)+(849-267)+(500:2)=
b) (72x5):(18:9)=
c) (99x5)+(849-267)+(500:2)=