Kasr
3/4+5/4=
8/4=2
60 ning 10% izini top
6
20 ni 2:3 nisbatda bo'ling
8 va 12
a=4 b=6 ga teng S=?
24
a=4cm. b=7 cm. c=5cm H = ?
140 cm^3
2-3/4=
1,25
5%i 3 ga teng son
60
2:4=8:x
16
S=80cm^2 a=16 cm b=?
5cm
V=60 cm^3 h=4cm. S=?
15cm^2