Răspunsuri

2014-02-18T21:46:39+02:00
36a + 21=30
36a=30-21
36a=9
a=9:36
a=1:4


a*2+24=40
a*2=40-24
a*2=16
a=16:2
a=8
1 5 1
2014-02-18T21:47:36+02:00
36:a+21=30
36:a=9
a=4
ax2+24=40
ax2=16
a=8