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혼합계산 : 레벨2

1
(2-1)X4X5
=
20
2
(3/1)+7+1
=
11
3
(4+3)X1-6
=
1
4
(4X5)-6X2
=
8
5
4+4-(1+5)
=
2
6
5X(8X9)/3
=
120
7
2X7X(6X8)
=
672
8
(2+9)X7X4
=
308
9
9-(5+1)+8
=
11
10
4+1X(7-6)
=
5
11
8+(9-2)-6
=
9
12
3+(1X2)X7
=
17
13
6-9+(3X4)
=
9
14
(4+7)+3/3
=
12
15
1/3X(7X6)
=
14