2(7+10-35)
2(3)(2)- 50
80/2(38-40)
25/5+2.5
94(2) - 100
(100/5)-120
(2+4)-10
-10-100+1000
5(6)+(-7+13)=
(-135-15)+10(2)
7.5
-36
36
-100
-80
-130
-38
-4
890
88
