Question

Calculeaza [1,2 +1,(3)x3/20]:0,14x2

Answer 1

Răspuns:

5

Explicație pas cu pas:

1,(3)= 13-1 / 9 = 12/9=4/3

(12/10+4/3*3/20): 14/100*2 =

(12/10+4/20):14/50=

( amplificam 12/10 cu 2 => 12*2/20 )

28/20 : 14/50= 28/20 * 50/14 = 28*50 / 20*14 = 1400/280=5