Ser kosztuje 18,40 zł za 1 kg. Oblicz ile kosztuje: a)10 dag sera? b)3/4 sera? c)1 1/2 sera? i d)1,05 sera???
a)
18,40*0,1=1,84
b)
18,40*0,75=13,80
c)
18,40*1,5=27,6
d)
18,40*1,05=19,32
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a)
18,40*0,1=1,84
b)
18,40*0,75=13,80
c)
18,40*1,5=27,6
d)
18,40*1,05=19,32