Răspuns:
b)
250 + 60 :(50 - 2*15) x 50=
250+60:(50-30)x50=
250+60:20x50=
250+3x50=
250+150=400
c)
110:10 x (110 - 20 x 4) + 670=
11x(110-80)+670=
11x30+670=
330+670=1000
d)
(444 : 4 + 400 - 400:10): 3=
(111+400-40):3=
(511-40):3=
471:3=157
e)
100 - 100: 100 x [ 100 + 100: 10 -(100-75.25)]
100-1x[100+10-(100-??????
f)
50+ 12x [214 - 240:(16-2*5)) - 10x100
50+12x[214-240:(16-10)]-1000
50+12x(214-240:6)-1000
50+12x(214-40)-1000
50+12x174-1000
50+2088-1000
2138-1000=1138
g)
110 x 10-[( 599-99 x 4 + 30 x 5) +370:10):10=
1100-[(599-396+150)+37]:10
1100-[(203+150)+37]:10
1100-(353+37):10
1100-390:10
1100-39=1061
h)
scrie corect exercițiu, unde se închide paranteza......