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rezolvati aceste exerciti ugent pls dau coroana

ex1. 8938+787+675=?

ex2. 269+768521-103003=?

ex3. 316702-127814+1072=?

ex4. 40000-1455-3545=?


Răspuns :


Ex 1=10400
Ex 2=665787
Ex 3=189960
Ex 4=35000
18938+787+675=19725+675=20400
269+768521-103003=768790-103003=665787
316702-1455+1072=3152471072=31631
40000-1455-3545=38545-3545=35000