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혼합계산 : 레벨2

1
(1+2)-2+1
=
2
2
(5+4)/3+3
=
6
3
(4+2)+3+7
=
16
4
5X(5X3)-5
=
70
5
3X(5-3)+3
=
9
6
(9X8)X4/4
=
72
7
(6/1)X8-2
=
46
8
(2X5)-1X5
=
5
9
3X(3+7)X5
=
150
10
5+6X(8+1)
=
59
11
(1+8)-8+4
=
5
12
8X3+(2+8)
=
34
13
(4X9)+2X3
=
42
14
1+(5/5)+6
=
8
15
3+(4+9)+3
=
19