– 7 –
$
46 = 24 - 6 =
(1+2)345.5 = 1.5 1 + 2 & 3 * 4 - 5.5 =
9999999999+1 = 9999999999 + 1 =E
$
2 (3) = 62 * 3 @ =
12+23 = 35 23 + + 12 =K
45+23 = 68 45 =K
78+23 = 101 78 =K
75 = 2 5 - - 7 =K
25 = 32 =K
2 12 = 24 12 * * 2 =K
4 12 = 48 4 =K
459 = 5 9 & & 45 =K
729 = 8 72 =K
100 5% = 5 100 * 5 %
100 5% = 105 100 * 5 % +
500 20% = 400 500 * 20 % -
30 60 50(%) 50 30 & 60 %
12 10 20% 20 12 - 10 %
160 120 + 25 %
40 -
80 9 = 720 pp 80 * 9 ]M
)50 6 = 300 50 * 6 [M
20 3 = 620 * 3 ]M
480 pM
2+32+4 = 6 2 + 3 # 4 =
2+ 27 = 52 + - 7 =
122123122 ! 3