460+300=
247+591=
600-240=
376+519=
980-650=
808-436=
483+125=
728-463=
5371+3427=
10000-3726=
9002-5273=
5636+1928=
4367+2627=
3000-196=
10000-3756=
2769+2756=
4936+2173=
6302-2123=
3810-2983=
7085-3698=
4100-2519=
3606-1891=
9863-5936=
2588+3673=
5692+3129=
1089+3926=
3528+4672=
5679+3583=
10000-3765=
378+4856=
1000-478=
5864+4000=
5897-4698=
6427+3568=
9427-1548=
985-468=
4586+598=
189+394=
435-267=
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