Determinati Nr. a din:
{(5Xa+19)x7-2}:9=34
Răspunsuri la întrebare
Răspuns de
4
[(5×a+19)x7-2]:9=34
(5×a+19)x7-2=34×9
(5×a+19)x7-2=306
(5×a+19)x7=306+2
(5×a+19)x7=308
5×a+19=308:7
5×a+19=44
5×a=44-19
5×a=25
a=25:5
a=5
(5×a+19)x7-2=34×9
(5×a+19)x7-2=306
(5×a+19)x7=306+2
(5×a+19)x7=308
5×a+19=308:7
5×a+19=44
5×a=44-19
5×a=25
a=25:5
a=5
cretuluis:
Multumesc
Cu placere :))
Răspuns de
3
{(5*a+19) *7-2}:9=34
(5*a+19)*7-2=34x9
(5*a+19)*7-2=306
(5*a+19)*7=306+2
(5*a+19)*7=308
5*a+19=308:7
5*a+19=44
5*a=44-19
5*a=25
a=25:5
a=5
(5*a+19)*7-2=34x9
(5*a+19)*7-2=306
(5*a+19)*7=306+2
(5*a+19)*7=308
5*a+19=308:7
5*a+19=44
5*a=44-19
5*a=25
a=25:5
a=5
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