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va rog ajutati.ma. dau coronita

Va Rog Ajutatima Dau Coronita class=

Răspuns :

i) {[x+5)*5+5]*5+5}*5+5=1030
{[x+5)*5+5]*5+5]*5=1030-5
{[x+5)*5+5]*5+5]*5=1025
{[x+5)*5+5]*5+5=1025:5
{[x+5)*5+5]*5+5=205
{[x+5)*5+5]*5=205-5
{[x+5)*5+5]*5=200
{[x+5)*5+5]=200:5
{[x+5)*5+5=40
(x+5)*5=40-5
(x+5)*5=35
x+5=35:5
x+5=7
x=7-5
x=2