Question

36+144/9 - 5.(12-3.7)/9

obs: as barras sao frações

Answer 1

Resposta:

36+144/9-5.(12-3.7)/9

324+144/9 -5(12-21)/9

468/9 - 5(-9) /9

468/9- (-45)/9

468/9+45/9

513/9

57