Răspuns:
a.10
b.4
c.781
Explicație pas cu pas:
a.
{2⁴+7•[31+10•(3⁷:3⁵+3²:3¹)-49]}:73=
{16+7•[31+10•(3²+3)-49]}:73=
{16+7•[31+10•(9+3)-49]}:73=
[16+7•(31+10•12-49)]:73=
[16+7•(31+120-49)]:73=
[16+7•(151-49)]:73=
(16+7•102):73=
(16+714):73=
730:73=10
b.
{[(2¹⁵•3¹³•5⁷):(2¹³•3¹²•5⁵)-2⁴•3:8]:49-2}:2019⁰=
[(2²•3¹•5²-16•3:8):49-2]:1=
[(4•3•25-48:8):49-2]:1=
[(12•25-6):49-2]:1=
[(300-6):49-2]:1=
(294:49-2):1=
(6-2):1=
4:1=4
c.
(3•10³+2•10²+4):3²•2+[20+(202:2-51)-2019⁰]=
(3•1000+2•100+4):9•2+[20+(101-51)-1]=
(3000+200+4):9•2+(20+50-1)=
(3200+4):9•2+(70-1)=
3204:9•2+69=
356•2+69=
712+69=781
sper că te-am ajutat
