👤
a fost răspuns

Efectueaza calculele. a 15+15÷15×(15+15×15)= b. 250+60÷(50-2×15)×50= c. 110÷10×(110-20×4)670= d.(444÷4+400-400): 3= e. 100-100÷100×(100+100÷10-(100-74÷25))=dau coroana

Răspuns :

Slavitescudora
15+1×(15+225)=b
15+1×240=b
15+240=b
255=b

250+60:(50-30)×50=c
250+60:20×50=c
250+3×50=c
250+150=c
400=c

11×(110-80)...670=d?

111:3=e
37=e

100-1×(100+10-(100-2,96))=100-1×(110-97,04)=100-1×12,96=100-12,96=87,04