Răspuns:
A) e = 3.
B) e=129
C)e=420
D)e=59
E)e=290
F)e=389
G)e=214
Explicație pas cu pas:
(2×3×4)+(25-16=
(6×4)+(25-16)=
24+9=33
(5×6×4)+(96-77)=
(30×4)+19=
120+19=129
(8×6×7)+(56+67)=
(42×7)+126=
294+126=420
(93-64)+(2×3×5)=
29+(6×5)=
29+30=59
(87+98)+(7×3×5)=
185+(21×5)=
185+105=290
(125-96)+(9×8×5)=
29+(72×5)=
29+360=389
(6×3×7)+(252-164)=
(18×7)+88=
126+88=214