ajutați mă repede pls
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1) ○ Adunare 435+378= 813
2435+3254= 5689
2008+2009= 4017
5467+1357= 6824
2) ○ Scadere 854-555= 299
9245-5134= 4111
6543-2354= 4189
9076-3245= 5831
3) ○ Combinare 4356+346= 7702
5000-458=4542
8002+1678= 9680
7008-2009= 4999