S=Пr^2
S= 3.14* 17^2=3.14*289=907.46 cм^2
Округлим до десятых
907,5
(22167-8+36713+40941*7+26278*6):55903 = <span>9</span><span>
1. 40941 * 7 = 286587
2. </span>26278 * 6 = <span>157668
3. </span>22167 - 8 = <span>22159
4. </span> 22159 + 36713 = <span>58872
5. </span> 58872 + 286587 = <span>345459
6. </span>345459 + 157668 = <span>503127
7. </span>503127 : 55903 = 9