Question

Verifica dacă rezultatele sunt corecte

Answer 1

a)7-[3-(10-15)]=
7-[3-(-5)]=
7-(3+5)=
7-8=-1 Adevarat
b)17-[2-(-5+13)]=
17-[2-(+8)]=
17-(-6)=
17+6=23 Adevarat
c)43+[-15+(12-51)]=
43+[-15+(-39)]=
43+(-15-39)=
43+(-54)=
43-54=-11 Adevarat
d)53-[-5-(3-18)]=
53-[-5-(-15)]=
53-(-5+15)=
53-(+10)=
53-10=43 Adevarat
e)13-[-2+5-(-4+6-2)]=
13-(-2+5)=
13-3=10 Adevarat
f)-15-[-12+(-3+7)]=
-15-(-12+4)=
-15-(-8)=
-15+8=-7 Adevarat
g)-22+19+[(-1)+7-(-5)]=
-22+19+[(-1)+7+5]=
-22+19+(-1+7+5)=
-22+19+11=
-22+30=8 Adevarat
h)-36-(3-6)+(-5-3)=
-36+3-8=-41 Adevarat
i)-5-[-4+(2-7)]=
-5-[-4+(2-7)]=
-5-(-4-9)=
-5+13=8 Fals
j)-[6-(18-32)]+27=
-(6+14)+27=
-20+27=7 Adevarat
k)-34-(12-24)+[(-5-7)+9]=
-34-(-12)+(-12+9)=
-34+12+3=25 Fals
l)2-[-17+(2-8)-3]+(-17-39)=
2-[-17+(-6)-3]+(-22)=
2-(-17-6-3)-22=
2-26-22=50 Fals
m)-36+{-2+[6+(-18-16)]}=
-36+[-2+(6-34)]=
-36+(-2-28)=
-36+(-30)=
-36-30=-66 Adevarat
n)-14+{-6-3+[-6+(-5)]}=
-14+[-6-3+(-6-5)]=
-14+(-6-3-11)=
-14+(-20)=
-14-20=-34 Adevarat
o)-13+{-17-[-31+19-(-3)]}=
-13+[-17-(-31+19+3)]=
-13+(-17+9)=
-13-8=-21 Adevarat
Sper ca te-am ajutat!!Coronita?