5706*48:72-(2450021-368606):903+7558501=7 560 000
1)2450021-368606=<span>2081415
2)5706*48=</span><span>273 888
3)</span>273 888:72=3804
4)2081415:903=2305
5)3804-2305=1499
6)1499+7558501=<span>7 560 000
</span>
5х+2х=294:14
5х+2х=21
7х=21
х=21:7
х=3