Все поле - 1
1-0,4=0,6 поля осталось убрать
находим целое по его части
12:0,6=20га все поле
√ 288 <span> = √</span><span> 2 5 · 3 2 </span><span> = 12 √</span><span> 2
</span>√ 175 <span> = √</span><span> 5 2 · 7 </span><span> = 5 √</span><span> 7
</span>√ 44 <span> = √</span><span> 2 2 · 11 </span><span> = 2 √</span><span> 11
</span>√ 63 <span> = √</span><span> 3 2 · 7 </span><span> = 3 √</span><span> 7
</span>√ 450 <span> = √</span><span> 2 · 3 2 · 5 2 </span><span> = 15 √</span><span> 2
</span>√ 1300 <span> = √</span><span> 2 2 · 5 2 · 13 </span><span> = 10 √</span><span> 13 </span>
А) 1, 29, 18
б)1; 29; 0; -11; 8
в) -3.7; - 14/7; 4,9; - 2/1;
г)1; 29;<span>18
д) </span>-3,7; - 14/7; <span>-2/1; -11
Вот так</span>
3x+12=x+20
3x-x=20-12
2x=8
x=8:2
x=4