Question

a) 525:5+(480:8-30)+140:7-13.
b) 2+(3×4:6×50-50)+(50:10×6:3+20).
Calculeaza respectând ordinea operatiilor.

Answer 1

a) 525:5+(480:8-30)+140:7-13=
=105+(60-30)+20-13=
=105+30+7=
=142

b) 2+(3×4:6×50-50)+(50:10×6:3+20)=
=2+(12:6×50-50)+(5×6:3+20)=
=2+(2×50-50)+(30:3+20)=
=2+(100-50)+(10+20)=
=2+50+30=82

Answer 2

A)105+(60-30)+20-13
105+30+7
135+7
142
B)2+(12:6x50-50)+(5x6:3+20)
2+(2x50-50)+(30:3+20)
2+(100-50)+(10+20)
2+50+30
52+30
82