Question

Calcule: 2×[(6+7×√9):3²+(27-5×√4)]​

Answer 1

Explicação passo-a-passo:

2×[(6+7×√9):3²+(27-5×√4)]​

2×[(6+7×3):9+(27-5×2)]

2×[(6+21):9+(27-10)]

2×[(27):9+17]

2×[27:9+17]

2×[3+17]

2×20

=40

Answer 2

2×[(6+7×√9):3²+(27-5×√4)]

2 × [(6 + 7× 3) : 9 + (27 - 5 × 2)]

2 × [( 6 + 21) : 9 + (27 - 10)]

2 × [27 : 9 + 17]

2 × [ 3 + 17]

2 × 20

40