Salutare!!♡
a)255:(65-50)-(80:4-256•0):2=
255:15-(20-0):2=
255:15-20:2=
17-10=
7
b)89+89:89-88=
89+1-88=
90-88=
2
c)30+5•{32:8+5•[40+8•(200:5-72:2)]}
30+5•{32:8+5•[40+8•(40-36)]}=
30+5•[32:8+5•(40+8•4)]=
30+5•[32:8+5•(40+32)=
30+5•(32:8+5•72)=
30+5•(4+360)=
30+5•364=
30+1.820=
1.850
b)385•47-385•5+385•58=
18.095-1.925+22.330=
16.170+22.330=
38.500
Succes!☆
