<span>25+х=1394
х=1394-25
х=1366</span>
<span>√45= 3<em />\/5</span><span>
</span><span>√52=2\/13
</span>0,1<span>√300=\/3
-0,05*</span><span>√4400=-5\/44
прости, остальные незнаю как
</span>
3 /7 =0 (ост.3)
70 / 8 = 8 (ост.6)
5 / 9 = 0 (ост.5)
2 1/4 + 10 1/10 = 12 + 1/4 + 1/10 = 12 + 1·5/4·5 + 1·2/10·2 =
=12 + 5/20 + 2/20 = 12 7/20
= (2 280 + 696 264) : (84 * 11) + (269 - 37) = 988
1) 2 280 + 696 264 = 698 544
2) 84 * 11 = 924
3) 269 - 37 = 232
4) 698 544 : 924 = 756
5) 756 + 232 = 988