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Kmymad
a fost răspuns

1) CALCULEAZA: (15237-12753)*{[54/9+(12*7-19*3)-4005/1335]}-30+2=


2)AFLATI VALOAREA LUI x (45/5+10/2-14)*5/(7*4-21/7)*13+10*x=729

Răspuns :

Renatemambouko
1) (15237-12753)*{[54/9+(12*7-19*3)-4005/1335]}-30+2=
=2484*{[6+(84-57)-3]}-28=
=2484*(6+27-3)-28=
=2484*30-28=
=74520-28=74492

2) (45/5+10/2-14)*5/(7*4-21/7)*13+10*x=729
(9+5-14)*5/(28-3)*13+10*x=729
0*5/25*13+10x=729
x=729/10=72,9


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