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am nevoie de ajutor urgent ​

Am Nevoie De Ajutor Urgent class=

Răspuns :

a)998:11=90 rest 8

b)9875:222=44 rest 107

c)(2+4+6+...+20):(1+2+3+...+10)=

=[2×(1+2+3+...+10)]:(1+2+3+...+10)=2