혼합계산 : 레벨2
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혼합계산: 레벨212
1
5+4X(4/1)
=
21
2
9X6-(2+4)
=
48
3
3+6-(3-2)
=
8
4
1X4X(7+4)
=
44
5
(8-6)/1+2
=
4
6
(6-1)+8/4
=
7
7
(6X3)-9-4
=
5
8
3/3X(7+5)
=
12
9
9+9-(3+8)
=
7
10
(3-2)X1X4
=
4
11
7X(8-4)/2
=
14
12
(1+8)X1-2
=
7
13
4+(5+6)-9
=
6
14
(3X3)+8+3
=
20
15
(4X8)/2+1
=
17