Răspuns :
58-32+(8×4+15)-(54:9+20)+23-13 =
58-32+(32+15)-(6+20)+23-13=
58-32+47-26+23-13 =
26+47-26+23-13=
73-26+23-13=
47-26+23-13=
21+23-13=
44-13=
31
R = 31
Răspuns: 31
Explicație pas cu pas:
58-32+(8×4+15)-(54:9+20)+23-13 =
58-32+(32+15)-(6+20)+23-13=
58-32+47-26+23-13 =
26+47-26+23-13=
73-26+23-13=
47-26+23-13=
21+23-13=
44-13=
31