, 01 2019 . 08:19
+
, , , , .
, 60% , 1990- , , , . 20- 30 , — 90% ! ?
.
9–3÷1/3+1= ?
: 1.
.
. 1/3 — . :
9 – 3 ÷ 1/3 + 1 =
= 9 − 3/1/3 + 1 =
= 9 − 3/3 + 1 =
= 9 – 1 + 1 =
= 9
:
9 – 3 ÷ 1/3 + 1 =
= 9 – 3 ÷ (1/3) + 1 =
= 9 – 3 × 3 + 1 =
= 9 – 9 + 1 =
= 1
?
:
1
: 6