Răspuns :
1. 3800 m +380dam= 3800m + 3800m= 7600m=7.6 hm
. 58dal-180l= 580l-180l=400l
5kg -2000g=5kg-2kg=3kg.
. 58dal-180l= 580l-180l=400l
5kg -2000g=5kg-2kg=3kg.
a) 3 800 m + 380 dam =? hm
= 38 hm + 38 hm =
= 76 hm
m < hm de 100 de ori 3 800 : 100 = 38 hm
dam < hm de 10 ori 380 dam : 10 = 38 hm
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b) 58 dal - 180 l =? l
= 580 l - 180 l =
= 400 l
58 dal × 10 = 580 litri
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c) 5 kg - 2 000 g = ? kg
= 5 kg - 2 kg =
= 3 kg
2 000 g = 2 kg
= 38 hm + 38 hm =
= 76 hm
m < hm de 100 de ori 3 800 : 100 = 38 hm
dam < hm de 10 ori 380 dam : 10 = 38 hm
_________________________________
b) 58 dal - 180 l =? l
= 580 l - 180 l =
= 400 l
58 dal × 10 = 580 litri
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c) 5 kg - 2 000 g = ? kg
= 5 kg - 2 kg =
= 3 kg
2 000 g = 2 kg