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efectuati :15,3x100=?15,3:1000=?2,5x1,2=? 13,21x5,4=? 1,291x2.5=? 13,8x1,121=? 6:8=? 2:10= 5:25= 1:25= 8:18=?

Răspuns :

15,3×100=1530;
15,3:1000=0,0153;
2,5×1,2=3,00;
13,21×5,4=71,334;
1,291×2,5=3,2265;
13,8×1,121=15,4698;
6:8=0,75;
2:10=0,2;
5:25=0,2;
1:25=0,04;
8:18=0,(4).