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혼합계산 : 레벨2

1
2-5+(5/1)
=
2
2
(5X9)-3+3
=
45
3
(3X9)+9+4
=
40
4
(9X2)/2/1
=
9
5
(3X6)+3X6
=
36
6
2X8+(8+4)
=
28
7
(1+3)X2-5
=
3
8
(5X9)+5+4
=
54
9
(6+3)X3+4
=
31
10
9X5-(4X3)
=
33
11
(3+3)+2-4
=
4
12
(9-4)/2X2
=
5
13
1X3+(9X1)
=
12
14
2+7X(1+4)
=
37
15
(1+6)+3-2
=
8