Salut!
a. 180-136+(13+64:2)
180-136+(13+32)
180-136+45
44+45
=89
b. (37-18:2):7+108:2
(37-9):7+108:2
28:7+108:2
4+54
=58
c)6×9:[6-(13-18:2)]
6×9:[6-(13-9)]
6×9:(6-4)
6×9:2
54:2
=27
d)[(9-6)×(8×9)]+100:(4+6)
(3×72)+100:10
216+100:10
216+10
=226
Sper ca te-am ajutat!