Aceste calcule va rog

Răspuns:
A) [36:9+3×(20+8×42:2)]
=[36:9+3×(20+336:2)]
=[36:9+3×(20+168)
=(4+3×188)
=(4+564)
=568
B) [2+8×(2+202:2)-306:3]
=[2+8×(2+101)-102]
=(2+824-102)
=(826-102)
=724