Question

1calculeaza 2,5×[14-7,5:(0,5×0,5+7:2)]
2calculeaza[9la putera 2- 2 la puterea 4×5):10+7la puterea 13:(7la puterea 3)la puterea 4]×2la puterea 2​

Answer 1

Răspuns:

Explicație pas cu pas:

2,5×[14-7,5:(0,5×0,5+7:2)]=2,5×[14-7,5:(0,5×0,5+3,5)]=

=2,5×[14-7,5:(0,25+3,5)=2,5×(14-7,5:3,75)=

=2,5×(14-2)=2,5×12=30

(9×9-16×5):10 +7×4=5,1+28=33,1