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혼합계산 : 레벨2

1
(1X2)+1+6
=
9
2
(9+3)-1+4
=
15
3
4-(8/2)+7
=
7
4
2X6+(5+2)
=
19
5
7+(4X6)X1
=
31
6
2+2+(1/1)
=
5
7
7+(4X8)-5
=
34
8
2X(9X4)+6
=
78
9
3/(6/2)+3
=
4
10
5X5X(3-1)
=
50
11
(6-2)+1/1
=
5
12
4+(4+7)-2
=
13
13
3+(9-2)-4
=
6
14
3X(4+8)-5
=
31
15
6+1-(6-5)
=
6