<span> 23/10 =2,3
851/100=8,51
5273/1000=5,273
3636/100=36,36
9132/1000=9,132
654321/10000=65,4321</span>
15k=45
k=45/15
<em><u>k=3
.....................................................</u></em>
586* (1) 908- (3) 31212/ (2) 306
1)586*908=532088
2)31212/306=102
3)532088-102=531986
(3885/ (1) 37+ (2) 245)* (5) (3"4" (3) - (4) 4)
1)3885/37=105
2)105+245=350
3)3"4"=3*3*3*3=81
4)81-4=77
5)350*77=26950