Question

repede va rog e urgent dau coroana și dau si 10 puncte va rog e urgent dau coroana

Answer 1

3. (56:a+17):5+12=16
(56:a+16):5=16-12=4
56:a+16=4×5=20
56:a=20-16=4
56:a=4=>a=56:4=14

[(a+7):6-10]:4+5=25
[(a+7):6-10]:4= 20
(a+7):6-10=80
(a+7):6=90
a+7=360=>a=360-7=353