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a fost răspuns

(1,5+3pe10-155pe100)*0,4

Răspuns :

Trombolistul
[tex]( \frac{1}{5} + \frac{3}{10} - \frac{155}{100}) \times 0,4 = ( \frac{3}{2} + \frac{3}{10} - \frac{155}{100}) \times \frac{2}{5} = \frac{1}{4} \times \frac{2}{5} = \frac{1}{2} \times \frac{2}{5} = \frac{1}{10} [/tex]
Cocirmariadenis

( 1,5 + 3 / 10 - 155 / 100 ) × 0,4 = 1 / 10

= ( 15 / 10 + 3 / 10 - 31 / 20 ) × 4 / 10 =

=  ( 18 / 10 - 31 / 20 ) × 4 / 10 =

= ( 36 - 31 ) / 20  × 4 / 10 =

= 5 / 20 × 4 / 10 =

= 1 / 10

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