Question

Rezolva exercitiile:a)4×8+(1700+2490-680)×0 b)(81:9)+(7×8-6×9)-(3001-2928) c) (2640-1980+1067)×2×0×5 d) (36:4+25:5)+7×2×8×9 e)25×100-4×100+3×19 f)(80:10)+(1927-1900):3+2 g) (765-235+70):10+16×9 h) 6×124+6×76-12×1×0 ajutati.ma va rog

Answer 1

a) 4×8+(1700+2490-680)×0=
32+(4190-680)×0=
32+3510×0=
32+0=
32


b) (81:9)+(7×8-6×9)-(3001-2928)=
9+(56-54)-73=
9+2-72=
11-73=
-62

c) (2640-1980+1067)×2×0×5 =
(660+1067)×2×0×5 =
1727×2×0×5=
3454×0×5=
0×5=
0

d) (36:4+25:5)+7×2×8×9 =
(9+5)+14×8×9 =
14+112×9=
14+1008=
1022


e) 25×100-4×100+3×19 =
2500-400+57 =
2100+57=
2157


f) (80:10)+(1927-1900):3+2 =
8+27:3+2 =
8+9+2=
17+2=
19

g) (765-235+70):10+16×9 =
(530+70):10+144 =
600:10+144=
60+144=
204


h) 6×124+6×76-12×1×0=
744+456-12×0=
288-0=
288