Question

2*5 -[12+(7.3-4)-7]:5+3*2.+(8*2-5*2)

Answer 1

Olá
2.5 -[12+(7.3-4)-7]:5+3.2+(8.2-5.2)
10- [12+ (21-4)-7]:5+6+(16-10)
10-[12+17-7]:5+6+6
10-[29-7]:5+6+6
10-22:11+6
10-2+6
8+6
14


Espero ter ajudado!