Question

Se A=√100 e B =√1-√9+√4,então A•B vale???

Answer 1

$A= \sqrt{100} =10 \\ B= \sqrt{1} - \sqrt{9}+ \sqrt{4}= 1-3+2=0 \\ A*B=10*0=0$


Resposta A

Answer 2

V100•(V1-V9+V4)

V100•V1-V100•V9+V100•V4

V100-V900+V400


10-30+20

30-30

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