1) 4 1/9:х=7,4
4 1/9=7,4*х
х=4 1/9:7,4
х=37/9 :37/5=37/9*5/37=5/9
х=5/9
1)х+2х=180
3х=180
х=180:3
х=60 - СВК
2) 60×2=120 - АВС
<span>16u = 1600</span>
<span>u=1600/16</span>
<span>u=100</span>
<span>3080/v = 154</span>
<span>V= 3080/154</span>
<span>V=20</span>
<span>W+175 = 12000/24</span>
<span>W+175= 500</span>
<span>W=500-175</span>
<span>W=325</span>