Răspuns :

Anetudid

Răspuns:

Explicație pas cu pas:

a).

3+3x[3+3:3x(3+3x3)]:15=

=3+3x[3+3:3x(3+9)]:15=

=3+3x(3+3:3x12):15=

=3+3x(3+1x12):15=

=3+3x(3+12):15=

=3+3x15:15=

=3+3x1=

=3+3=

=6

b).

812-4x[6x(61-300:30)]:9=

=812-4x[6x(61-10)]:9=

=812-4x(6x51):9=

=812-4x306:9=

=812-4x34=

=812-136=

=676

c).

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

=[214+240:(16-10)]x25-25:25=

=(214+240:6)x25-25:25=

=(214+40)x25-25:25=

=254x25-25:25=

=254x25-1=

=6350-1=

=6349

Ionescufilip312id

a) 3+3× [3+3:3×(3+3×3)]:15= 3+3×[3+3:3×(3+9)]:15= 3+3×(3+3:3×12):15=3+3×(3+1×12):15=3+3×(3+12):15= 3+3×15:15=3+3×1=3+3=6

b)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=812-4×34=812-136=676

c)[214+240:(16-2×5)]×25-25:25=[214+240:(16-10)]×25-25:25=(214+240:6)×25-25:25=(214+40)×25-25:25=254×25-25:25=6550-25:25=6350-1=6349

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