+3 digit
200+100
300
10+20
30
300x1
300
20 X 5
100
40 X 2
80
300+200
500
20+30
50
300x2
600
20 X 9
180
21 +35
56
500+200
700
50+20
70
100 X 40
4,000
90 X 3
270
700+200
900
70+20
90
150 X 5
750
30 X 5
150
900+200
1,010
90+60
160
500 X 8
4000
80 X 4
320