Ліва частина:
40 : 5 - 2 : 4 =
\[ 8 - 0.5 = 7.5 \]
50 : 5 - 2 - 8 =
\[ 10 - 2 - 8 = 8 - 8 = 0 \]
(5 - 7 - 20) : 5 =
\[ (-2 - 20) : 5 = -22 : 5 = -4.4 \]
(4 * 9 - 4 * 5) : 2 =
\[ (36 - 20) : 2 = 16 : 2 = 8 \]
Права частина:
45 : 5 - 4 - 24 : 3 =
\[ 9 - 4 - 8 = 5 - 8 = -3 \]
(32 - 18) : 2 - 4 - 19 =
\[ 14 : 2 - 4 - 19 = 7 - 4 - 19 = 3 - 19 = -16 \]
80 - 5 * 6 : 10 * 9 =
\[ 80 - 30 : 10 * 9 = 80 - 3 * 9 = 80 - 27 = 53 \]
46 + (24 - 4 * 4) * 5 =
\[ 46 + (24 - 16) * 5 = 46 + 8 * 5 = 46 + 40 = 86 \]