Question

urgent 98 de puncte!!
3+3x[3+3:3x(3+3x3)]:15


812-4x[6x(61-3600:12:30)]:9


[214+240:(16-2x5)]x25-25:25


90+7x[1614-12000:(18-10)]:32-7


(18x8+56):[50x40:(220-2x60)]



Urgent..

Answer 1

3+3x[3+3:3x(3+3x3)]:15=
3+3x[3+1x(3+9)]:15=                     paranteza patrata se transforma in rotunda
3+3x(3+1x12):15=
3+3x(3+12):15=
3+3x15:15=
3+45:15=
3+3=6

812-4x[6x(61-3.600:12:30)]:9=
812-4x[6x(61-10)]:9=
812-4x(6x51):9=
812-4x306:9=
812-1.224:9=
812-136=676


[214+240:(16-2x5)]x25-25:25=
[214+240:(16-10)]x25-1=
(214+240:6)x25-1=
(214-40)x25-1=
174x25-1=
4.350-1=4.349

44+8x[280:(37-1.480:20:37)]:32-7=
44+8x[280:(37-2)]:32-7=
44+8x(280:35):32-7=
44+8x8:32-7=
44+64:32-7=
44+2-7=
46-7=39

(18x8+56):[50x40:(220-2x60)]=
(144+56):[2.000:(220-120)=
200:(2.000:100)=
200:20=10

Answer 2

3+3×[3+3:3×(3+3×3)]÷15
3+3×[3+1×12)]÷15
3+3×15÷15
3+3×1
6

812-4×[6×(61-3600:12:30)]:9
812-4×[6×(61+300:30)]:9
812-4×[6×(61-10)]:9
812-4×(6×51):9
812-4×306:9
812-1224:9
812-136
676


[214+240:(16-2×5)]×25-25:25
[214+240:(16-10)]×25-1
(214+240:6×24)
214+6×24
214+144
358

90+7×[1614-12000:(18-10)]:32-7
90+7×[1614-12000:8]:32-7
90+7×[1614-1500]:32-7
90+7×114:32-7
90+798:32-7
90+24,9-7
114,9-7
107,9

(18×8+56):[50×40:(220-2×60)]
(144+56):(50×40:(220-120)
200:50×40:100
40×2,5
100