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혼합계산 : 레벨2

1
2X2X(5X4)
=
80
2
3-(5-1)+2
=
1
3
2+9/(3+6)
=
3
4
4+8+(4-1)
=
15
5
5+(2/2)+9
=
15
6
8X(1X6)X7
=
336
7
9+(3+8)-6
=
14
8
8X5-(1/1)
=
39
9
(1+4)X3+6
=
21
10
6-3+(5X3)
=
18
11
(9+7)X1X2
=
32
12
(5X5)+3/1
=
28
13
(6+6)-5-1
=
6
14
4X(4-2)X9
=
72
15
1X(3+5)/1
=
8