8*(5+3)=64
1)5+3=8
2)8*8=64
68 • ( 7/34 ) = 14 ( пирожных ) сьела сова
( 68 - 14 ) : 6 = 54 : 6 = 9 ( пирожных )
Ответ 9 пирожных
К*10=1465+2635
к*10=4100
к=4100:10
к=410
410*10=1465+2635
4100=4100
d*100=1465+2635
d*100=4100
d=4100:100
d=41
d*100=1465+2635
41*100=1465+2635
4100=4100
c*100=465+2635
c*100=3100:100
c=31
31*100=465+2635
3100=3100
1)6906-6841=65
2)2138*65=138970
3)138970:5=27794
4)8217+27794=36011