1)-4,4-11,41=-(4,4+11,41)=-15,81;
2)-4,4+11,41=11,41-4,4=7,01.
256+789-897х2=
1)897х2=1794
2)256+789=1045
3)1054-1794=-749
<span>14 + 3*14 = 56 (60 - 4=56)
50+6=56
42+2*7=56
6*7+2*7=56
7*7+7=56</span>
НОК(6,12)=12
НОК(33,3)=33
НОК(40,8)=40
НОК(34,2)=34
НОК(51,17)=51
НОК(16,48)=48
Держи)