Răspunsuri

2014-06-10T15:24:50+03:00
1 kg=20 lei
1 kg=1000 grame

1000 grame.............20 lei
200 grame.................x

x=200*20/1000
x=4000/1000
x=4 lei

un kg jumate inseamna 1500 g
1000g.............20
1500g..............x

x=1500*20/1000
x=30 000/1000
x=30 lei

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2014-06-10T15:31:18+03:00
1 Kg=1000g
1000g:200g=5 lei
1000g:2=500g
1000g+500g=1500g
1000g=20 lei
500g=10 lei
20+10=30 lei
1500g=30 lei
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