add
6+3=
9
2-2
0
10*10
100
4+-3
1
5 - -6
9
3+45=
48
45-27
18
10*8
80
9+-4
5
-12 - 9
-21
59+50=
109
160-46
114
60*1
60
19+-9
10
-20 - 10
-30
100+200=
300
400-133
267
40 *8
320
400+-250
150
10 - 30
-20
1000+9999=
10,999
1,999-745
1254
80*90
7200
1000+-450
550
-90 - 20
-110