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혼합계산 : 레벨2

1
6+3-(1+4)
=
4
2
4X6X(3X4)
=
288
3
5X5-(7/1)
=
18
4
7-(2+3)+2
=
4
5
(9X9)X5/9
=
45
6
3-9+(2X4)
=
2
7
4X5+(3-2)
=
21
8
5-3+(9+5)
=
16
9
(1+2)X3+2
=
11
10
2+(5X9)+6
=
53
11
(2-1)X6+1
=
7
12
4X(1+4)-3
=
17
13
1+(7X4)/1
=
29
14
3X8X(3X1)
=
72
15
1+7X(1+1)
=
15