1/5=20 20x5/1=100
28x3/1=84
и т. д.
5071,5710,5701,5170,5107
5017
0517
0571
1075
1057,1570,1507,1705,1075
7105
7150,7015,7051,7510,7501
<span>(74 109-t)+3367=70 258
74 109-t=70 258-3 367
74 109-t=66 891
t=74 109-66 891
t=7 218
</span>
<span><span>(74 109-7218)+3 367=70 258</span>
66 891+3 367=70 258
70 258=70 258
</span>
395,486+4,58=395,944 вроди так