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혼합계산 : 레벨2

1
6X7-(6+5)
=
31
2
(6X1)+7+3
=
16
3
(7-3)+7-4
=
7
4
(4+9)X5X5
=
325
5
2-4+(4X6)
=
22
6
(6+7)X2+7
=
33
7
6+(1+3)/4
=
7
8
(6-2)+4X5
=
24
9
8+(5+3)X7
=
64
10
(8-2)+6+4
=
16
11
1X1X(8X4)
=
32
12
(8X4)X3+3
=
99
13
(4+8)+6X2
=
24
14
(7-2)-1X4
=
1
15
4/(8/8)+9
=
13