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혼합계산 : 레벨2

1
(9X3)+6X4
=
51
2
9/3-(6/3)
=
1
3
(5+6)+2+7
=
20
4
6-5+(4-1)
=
4
5
5X(3+6)X4
=
180
6
(5-1)X2+9
=
17
7
8-2+(7+3)
=
16
8
(1/1)-1+6
=
6
9
7+(1X8)/8
=
8
10
(7-2)X2/5
=
2
11
8-(5-2)X2
=
2
12
(8-2)-4X1
=
2
13
2+(3+2)-2
=
5
14
(4X3)X3/1
=
36
15
7+9-(6+1)
=
9