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혼합계산 : 레벨2

1
(1X1)-2+9
=
8
2
(4+8)X7/4
=
21
3
8+8X(3-1)
=
24
4
(4+3)+3+3
=
13
5
3+(4-2)+4
=
9
6
4+(3+5)X4
=
36
7
3+9+(1X2)
=
14
8
4+(1X4)+4
=
12
9
(5X5)-3+8
=
30
10
8+3+(9-3)
=
17
11
(5-2)X8-1
=
23
12
7X(4/1)-8
=
20
13
(6X1)+3X9
=
33
14
(3+7)X8-2
=
78
15
(5-4)+1+9
=
11