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afla nr. a) 7aba0b-
2ba3a2=

b)b87ab7-
7a853 =

Răspuns :

Emy78
a) 7*100000+10000a+1000b+100a+0*10+b-
- (2*100000+10000b+1000a+3*100+10a+2)=
= 500000+10000(a-b)+1000(b-a)+100(a-3)-10a+(b-2)

b)100000b+80000+7000+100a+10b+7-
-(70000+1000a+800+50+3)=
=100000b+10000+1000(7-a)+100(a-8)+10(b-5)+4

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