혼합계산 : 레벨2
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혼합계산: 레벨241
1
(4/1)-7+8
=
5
2
(6-1)X8-9
=
31
3
8-5/(6-1)
=
7
4
5+5+(9-4)
=
15
5
8X(7-1)-8
=
40
6
3X(1X4)X5
=
60
7
6X4-(2X4)
=
16
8
(2+6)+3+7
=
18
9
6X3X(7-3)
=
72
10
9X(9X1)+6
=
87
11
(5+1)+3+8
=
17
12
(7+6)-3-7
=
3
13
2X(5X4)/1
=
40
14
(5+6)X3-5
=
28
15
7-(5+3)+4
=
3