21*(230-192/3)
=21*230-21*192/3
=4830-1344
=3486
0/26+26/1
=0+26
=26
600/(34-30)/15
=600/4/15
=150/15
=10
72+12*4-25
=72+48-25
=120-25
=95
21*(230-192/3)
=21*230-21*192/3
=4830-1344
=3486
0/26+26/1
=0+26
=26
600/(34-30)/15
=600/4/15
=150/15
=10
72+12*4-25
=72+48-25
=120-25
=95