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혼합계산 : 레벨2

1
(6+7)X5X5
=
325
2
(5X3)X2-2
=
28
3
4X(6/2)+2
=
14
4
4X3X(3+8)
=
132
5
7+5X(1+7)
=
47
6
9+1-(7-5)
=
8
7
(2X8)-7-1
=
8
8
(3+3)X7/6
=
7
9
1+6X(7+1)
=
49
10
(3X5)+5X3
=
30
11
4X(6+7)-5
=
47
12
5X7X(8X7)
=
1960
13
1X3X(9-4)
=
15
14
(9X5)-1+2
=
46
15
(5/5)+7+2
=
10