ile to dekagramów : 3/5 kg= 1/20kg= 1i1/4kg= 2i7/20kg= na jutro plis
a)
3/5kg=0,6kg
1kg-100dag
0,6kg-x
x=60dag
b)
1/20kg=5/100kg=0,05kg
0,05kg=x
x=5dag
c)
2 i 7/20kg=2,35kg
2,35kg-x
x=235dag
3/5kg = 1000g: 5= 200g 200g*3 = 600g=60dag
1/20 kg = 1000g:20= 50g 50g*1= 50g=5dag
1i 1/4kg = 1000g: 4=250g 250g*1= 250g 250g+1000g(bo 1 i...)=1250g=125dag
2 i 7/20 kg= 1000g: 20= 50g 50g*7= 350g 350g+2000g (bo 2 i...)=2350g=235dag
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a)
3/5kg=0,6kg
1kg-100dag
0,6kg-x
x=60dag
b)
1/20kg=5/100kg=0,05kg
1kg-100dag
0,05kg=x
x=5dag
c)
2 i 7/20kg=2,35kg
1kg-100dag
2,35kg-x
x=235dag
3/5kg = 1000g: 5= 200g 200g*3 = 600g=60dag
1/20 kg = 1000g:20= 50g 50g*1= 50g=5dag
1i 1/4kg = 1000g: 4=250g 250g*1= 250g 250g+1000g(bo 1 i...)=1250g=125dag
2 i 7/20 kg= 1000g: 20= 50g 50g*7= 350g 350g+2000g (bo 2 i...)=2350g=235dag