Question

7. Efectueaza
(1004-68: 2)+5.126
15 +15 (15+15.15);
324 + 1963 - 126​

Answer 1

Răspuns:

Ex 1. (1004-68:2)+5:126-15+15+(15+15:15)=

=1004-34+5:126-15+15+(15+15:15)=

=1004-34+25-15+15+(15+15:15)=

=1004-34+25-15+15+(15+1)=

=1004-59+30+16=

=1004-89+16=

=1004-105=

=899

Ex 2. 325+1963-126=

=2288-126=

=2162

succes sper sa fie corect