Răspuns:
361+89-163-20+407=
=450-163-20+407=
=287-20+407=
=267+407=
=674
120:2 x 3 x 8:4 x 10=
=60 x 3 x 8:4 x 10=
=180 x 8:4 x 10=
=1440:4 x 10=
=360 x 10=
=3600
8-28:7+3425:5 x 2=
8-4+685 x 2=
4+3425=
=3429
439-81:3:3-2 x 9 x3=
431-9-54=
=376
300:100+432 x (700-688)=
=3+432 x 12=
435 x 12=
=18270
(888:8+3 x 7):4+80=
(111+21):4+80=
=132:4+80=
=33+80=
=113