Question

2,5³:2,5²+4,5•[12,8-0,5•(13,9-7,75)]​

Answer 1

Explicație pas cu pas:

2,5³:2,5²+4,5×[12,8-0,5×(13,9-7,75)]=

2,5+4,5×[12,8-0,5×6,15]=

2,5+4,5×[12,8-3,075]=

2,5+4,5×9,725=

2,5+43,7625=46,2625

Succes!