108/x=144/(x+3)
(x+3)108=144x
108x+324=144x
108x-144x=-324
-36x=-324:(-36)
x=9
<span><span>3952/280
</span><span>280 /14.1(142857)
------
</span><span>-1152
</span><span>1120</span><span>
--------
-320</span><span>
280
---------
</span><span>-400</span><span>
280</span><span>
-----------
-1200</span><span>
1120</span><span>
----------
-800</span><span>
560</span><span>
-----------
-2400</span><span>
2240</span><span>
----------
-1600</span><span>
1400</span><span>
----------
-2000</span><span>
1960</span><span>
---------------
4<span>0
</span></span></span>
15000 кг= 15 т
28000 г= 28 кг
7000000 г=7 т
685000 м=685 км
30500 см=305 м
200000 мм=200 м