Question

1+3{16+5[243-(×-3•32)]} +1=2000​

Answer 1

Răspuns: x=209

Explicație pas cu pas:

1+3{16+5[243-(x-3·32)]}+1=2000

1+3{16+5[243-(x-3·32)]}=2000-1

1+3{16+5[243-(x-3·32)]}=1999

3{16+5[243-(x-3·32)]}=1999-1

3{16+5[243-(x-3·32)]}=1998

16+5[243-(x-3·32)]=1998:3

16+5[243-(x-3·32)]=666

5[243-(x-96)]=666-16

5[243-(x-96)]=650

243-(x-96)=650:5

243-(x-96)=130

-(x-96)= -113

-x+96= -113

-x= -113-96

-x= -209  / ·(-1)

x=209

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