220+500=
720
11*3=
33
70*2
140
454+777=
1231
555-99=
456
39*9
351
3*16
48
40*5
200
9*11
99
99/11
9
48/5
9,6
85/5
17
55+(7*4)=
83
66+(5*9)=
111
55*66
3630
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