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ajutor plz repedeewwwe ​

Ajutor Plz Repedeewwwe class=

Răspuns :

Răspuns:

a.

342+420-506+2×[15+3×(1600-1521)]=

256+2×(15+3×79)=

256+2×(15+237)=

256+2×252=

256+504=

760

b.

2013×(2012+2011-2022)+7×[9+2×(2809-2704)]=

2013×2001+7×(9+2×105)=

4028013+7×(9+210)=

4028013+7×219=

4028013+1533=

4029546

b > a