(4650-4584)+(371+79)-407=66+450-407=516-407=109
(1546+7455)-(5975-3786)+3175=9001-2189+3175=9987
9929-(7345+595)+(8000-2769)-3099=9929-7940+5231-3099=4121
(1618-267)+(10000-9295)+(3550-3498)=1351+705+52=2108
9000-(5382+3165)+(4700-3589)=9000-8547+1111=1564
Sper ca te-am ajutat!