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혼합계산 : 레벨2

1
6+(3X4)X7
=
90
2
6/(6-5)+3
=
9
3
2X(8-1)+4
=
18
4
(6-5)X5X7
=
35
5
(1X4)+6+6
=
16
6
6-1+(6/1)
=
11
7
8-1X(3X1)
=
5
8
7/7+(2+1)
=
4
9
(8+2)X3X2
=
60
10
9X4+(7X1)
=
43
11
(7X9)-1-2
=
60
12
5-6+(3X9)
=
26
13
5X5+(9-3)
=
31
14
2+6+(7/1)
=
15
15
(2X9)+7-1
=
24