Răspuns :

1.➪ (5+203):2+[230-(76+9)]=
208:2+(230-85)
104+145=249
2.➪ [(51+43):2]•31+17-(125+7)=
(94:2)•31+17-132=
47•31+17-132=
1457+17-132=
1474-132=1.342
3.➪ (140+30):10+81-[25•(39-38)]=
170:10+81-(25•1)=
17+81-25=
98-25=73
4.➪ (114:3)+14.400-(39•6:2)+8=
38+14.400-(234:2)+8=
14.438-117+8=
14.321+8=14.329
Sper ca te-am ajutat si te rog da-mi coronita.

Răspuns:

(25/5+7*29)/2+[230-(38*2*1+9)]=249

[(357/7+344/8)/2]*31+17-(500/4+7)=1342

(28*5+30)/10+729/9-[25*(39-19*2)]=73

(57*2/3)+32*450-[39*(4+2)/2]+8=14329

Explicație:

(5+203)/2+[230-(76+9)]=

[tex]\frac{208}{2}[/tex]+(230-85)=

104+145=

249

[(357/7+344/8)/2]*31+17-(500/4+7)=

[(51+43)/2]*31+17-(125+7)=

(94/2)*31+17-132=

47*31+17-132=

1457+17-132=

1474-132=

1342

(140+30)/10+81-[25*(39-38)]=

170/10+81-(25*1)=

17+81-25=

98-25=

73

(57*2/3)+32*450-[39*(4+2)/2]+8=

(114/3)+14400-(39*6/2)+8=

38+14400-(234/2)+8=

38+14400-117+8=

14438-117+8=

14321+8=

14329