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Deea1234chips
a fost răspuns

1 . Efectueaza suma numerelor folosind descompunerile lor:
a) 1423+3219 b) 7514+12108 c) 251367+324532

2. Calculeaza asezand termenii unul sub celelalt:
a) 7253+2543 b) 800518+39530 c) 837043+68739
306413+639585 342514+236462 42090+396705

Răspuns :

1
a) 1423+3219=1000+400+20+3+ 3000+200+10 +9= 4642
b)7514+12108=7000+500+10+4+10000+2000 +100+8=19622
c)251367+324532=200000+50000+1000+ 300+60+7 +300000+20000+4000+500+30 +2= 575899

2
a)7253+2543=9796
b)800518+39530=840048
c)837043+68739=905782
d)306413+639585=945998
e)342514+236462=578976
f)42090+396705=438795

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