primero los paréntesis
1. 2+(4+1)=7
2+5
7
2. 4*(3+2)=20
4*5
20
3. 14-4=10
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primero los paréntesis
1. 2+(4+1)=7
2+5
7
2. 4*(3+2)=20
4*5
20
3. 14-4=10