pomnóż ułamki dziesietne,zamieniajac je na ułamki zwykle i oblicz :
0,1*0,7= 1/10*7/10=
0,31*0,3=31/100*3/10=
1,1*0,09=
0,51*0,01=
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1. 7/100
2.93/1000
3.11/10*9/100=99/1000
4.51/100*1/100=51/10000
0,1*0,7=10/100*7/100 = 700/10000= 7/100
0,31*0,3=31/100 * 30/100 = 930/10000= 93/1000
1,1*0,09=110/100 * 9/100 = 990/ 10000 = 99/1000
0,51*0,01=51/100 * 1/100 = 51/10000
I licze na naj. :)