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혼합계산 : 레벨2

1
(9+3)-3-6
=
3
2
8+1+(1+6)
=
16
3
4+(9/9)+7
=
12
4
1X(7X4)X2
=
56
5
6+(9X1)X7
=
69
6
1+3+(4+5)
=
13
7
(8X1)-6+5
=
7
8
3X(3X5)X7
=
315
9
7-4+(9+4)
=
16
10
(6+9)+5+7
=
27
11
2+(5+8)X7
=
93
12
6+(5+3)-6
=
8
13
8+(2/2)+7
=
16
14
9+6X(2+5)
=
51
15
(4/1)X2+5
=
13