5. Să se afle x EQ:
1
150 +2
3
23:2-3
5 lutout
6
12-107:106
for 4x
a)
b)
1
1 3
+
5 10
10 25:(222 +0,25
1
3
4
gt
1
1
4 5 10
3
2
37
1 1 3
+
7 14 28
5
11
2
3
c)
d)
e)
2
1
·x
nloo
3
6
6 C8 Ca nha –​