Parentheses
(2 + 3) - (2 + 1)
2
3^2
9
10xx5
50
100+10+1
111
2+3xx2
8
6(10)
60
11^2
121
2 divide 2
1
2.5 + 3-0.4
5.1
(17-7)xx(4-2)
20
(9-2)+3(5-1)
19
4^3
64
5xx4divide2
10
2-10
-8
2^4divide2+2
10
(15-9)(1+1-1+1)
12
3(9^2)
243
5(6)divide3(7)
70
7+(-5)
2
100(27-3^3)+18
18
2(5xx5)^2
1250
7^3xx2^6
21,952
7divide3/4xx2/3divide4
56/36=28/16=14/8=7/4=1 3/4
12-12.9
-0.9
(50xx10^5)-6,000,000+(2,000divide10^2)
-999,980