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Doar ex.4
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Dau coroana!!


Doar Ex4AjutorDau Coroana class=

Răspuns :

a) 347 + 206 +443 + 194 =
347+ 443 = 790
206+194 = 400
400+790 = 1190

b) 2005 + 291 + 995 + 2109
2005+995=3000
291+2109 = 2400
3000+2400=5400

Astept coroana :))
347+206+443+194=
(347+443)+(206+194)=
790+400=1190

2005 +291+995+2109
(2005+995)+(291+2109)
3000+2400
5400