Question

Calculati , raspectand ordinea operatiilor:A) 93:3+41*5-45÷9+28÷7+81÷3-2*6 b){7+7*[7+3*(225:15-15)]}-161​

Answer 1

Răspuns:

a)

93:3+41*5-45÷9+28÷7+81÷3-2*6 =

32+205-5+4+27-12 =

237-5+4+27-12 =

232+4+27-12 =

236+27-12 =

263-12 =

251

b)

{7+7*[7+3*(225:15-15)]}-161=

{7+7*[7+3*(15-15)]}-161=

[7+7*(7+3*0)]-161=

[7+7*(7+0)]-161=

(7+7*7)-161=

(7+49)-161=

56-161 =

- 105