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혼합계산 : 레벨2

1
1X4X(5X1)
=
20
2
7/1+(6+5)
=
18
3
1-3+(1X3)
=
1
4
(5+9)/1X4
=
56
5
9X(4X1)-8
=
28
6
(5X4)-9+4
=
15
7
4+(6+6)+5
=
21
8
2X7-(3+4)
=
7
9
7X4X(7-6)
=
28
10
(5X1)+1X3
=
8
11
9+(6-5)-8
=
2
12
7-1X(2X3)
=
1
13
(1X8)-6/2
=
5
14
7+6+(2+3)
=
18
15
(4X7)X5-6
=
134