Question

Calculeaza,respectand ordinea efectorii operatiilor.
a) (452:2-1):3:5x[982x7+49x4):7]-11.500 =
b) {[96:6+(288:4:8-125:5:5)]x90]:100 =
c) 9.000-{146+[200:10x9-(348x7-49x48)]} =
d) 99x{364:7:2+[(195x3:5-100)+63:3:7]}:2 =
e) 2.800:100:7+{(154-23x6):8+[100-(132:4+2)x2]}:6 =
VA ROG AJUTATIMA DAU CORONITA

Answer 1

a)(226-1):3:5x[(6874+196):7]-11500=
225:3:5x[7070:7]-11500=
75:5x1010-11500=
15x1010-11500=
15150-11500=3650
b){[16+(9-5)]x90}:100=
[16+4]x90}:100=
20x90:100=
1800:100=18
c)9000-[146+[180-(2436-2352)]}=
9000-{(146+180-84)}=
9000-242=8578
d)99x{26+[(117-100)+3]}:2=
99x{26+[17+3]}:2=
99x[26+20]:2=
99x[46:2]=
99x23=2277
e)4+{(154-138):8+[100-35x2]}:6=
4+{16:8+30]:6=
[4+32]:6=
36:6=6

Answer 2

a)(452:2-1):3:5x[(982x7+49x4):7]-11.500 =
225:3:5x[(6874+196):7]-11500=
15x[7070:7]-11500=
15x1010-11500=
15150-11500=3650

b){[96:6+(288:4:8-125:5:5)]x90}:100 =
{[96:6+(9-5)]x90:100=
[96:6+4]x90:100=
20x90:100=1800:100=18

c) 9.000-{146+[200:10x9-(348x7-49x48)]} =
9.000-{146+[180-(2436-2352)]}=
9.000-{146+[180-84]}=
9.000-{146+96]}=
9000-242=8758

d) 99x{364:7:2+[(195x3:5-100)+63:3:7]}:2 =
99x{364:7:2+[(117-100)+63:3:7]}:2 =
99x{364:7:2+[17+3]}:2 =
99x{26+20}:2=
99x46:2=4554:2=2277

e) 2.800:100:7+{(154-23x6):8+[100-(132:4+2)x2]}:6 =
2.800:100:7+{(154-138):8+[100-35x2]}:6=
2.800:100:7+{16:8+[100-70]}:6=
4+{2+30}:6=
4+32:6=    aici iti da cu virgula