👤

ca rog ex 3 hellllpppp

Ca Rog Ex 3 Hellllpppp class=

Răspuns :

a) 4500+3200+4500+800=13000
=>4500+4500=9000
=>3200+800=4000
=>9000+4000=13000
=>13000

b)101+102+103+28+29+27=390
=>101+102=203+103=306
=>28+27=55+29=84
=>306+84=390
=>390