Question

72-(37+18)=
28+(52-9)=
90-(39+27)=
32-(90-75)=
32+(90-72)=
100-(37+43)=

Answer 1

72-(37+18)=72-55=1728+(52-9)=28+43=71
90-(39+27)=90-66=24
32-(90-75)=32-15=17
32+(90-72)=32+18=50
100-(37+43)=100-80=20

Answer 2

72-(37+18)=1728+(52-9)=71
90-(39+27)=24
32-(90-75)=17
32+(90-72)=50
100-(37+43)=20