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혼합계산 : 레벨2

1
2X(2X2)+9
=
17
2
8X(3-1)-2
=
14
3
(2X6)+2+8
=
22
4
9+(3-1)+5
=
16
5
(9X6)X1X7
=
378
6
(9-4)X4+8
=
28
7
8-5/(1/1)
=
3
8
3+(5+9)X1
=
17
9
5/1+(2X3)
=
11
10
5X(3X5)+2
=
77
11
5+(7-5)X5
=
15
12
5X6-(7X4)
=
2
13
(8-2)/6+4
=
5
14
2+4X(2+3)
=
22
15
9X(6X2)X7
=
756