Răspuns :
a) =3
b) =656
c) =990
d) =654
e) =804
f) =5
g) =208
Pentru inceput se efectuiaza operatiili din parantezele rotunde. Dupa care din cele patrate. La sfirsit se fac operatiile din afara parantezilor.
Se efectuiaza mai intii inmultirea si impartirea, apoi adunrea si scaderea.
b) =656
c) =990
d) =654
e) =804
f) =5
g) =208
Pentru inceput se efectuiaza operatiili din parantezele rotunde. Dupa care din cele patrate. La sfirsit se fac operatiile din afara parantezilor.
Se efectuiaza mai intii inmultirea si impartirea, apoi adunrea si scaderea.
a)4-3x15:(3x3+72:2)=3
4-3x15:(9+36)=
4-3x15:45=
4-45:45=
4-1=3
b)712-448:4:2=656
712-112:2
712-56=656
c)1000-500:10:5=990
1000-50:5=
1000-10=990
d)452+306:6+128-(121-6):5=608
452+306:6+128-115:5=
452+51+128-23=
503+128-23=
631-23=608
e)958:(1000-998)+7x75=1004
958:2+7x75=
479+525=1004
f)(575:5+1000:2):5-118=5
(115+500):5-118=
615:5-118=
123-118=5
g)[(60x5+55):5+74]:5 +179=
[(300+55):5+74]:5+179=
(355:5+74):5+179=
(71+74):5+179=
145:5+179=
29+179=208
4-3x15:(9+36)=
4-3x15:45=
4-45:45=
4-1=3
b)712-448:4:2=656
712-112:2
712-56=656
c)1000-500:10:5=990
1000-50:5=
1000-10=990
d)452+306:6+128-(121-6):5=608
452+306:6+128-115:5=
452+51+128-23=
503+128-23=
631-23=608
e)958:(1000-998)+7x75=1004
958:2+7x75=
479+525=1004
f)(575:5+1000:2):5-118=5
(115+500):5-118=
615:5-118=
123-118=5
g)[(60x5+55):5+74]:5 +179=
[(300+55):5+74]:5+179=
(355:5+74):5+179=
(71+74):5+179=
145:5+179=
29+179=208