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혼합계산 : 레벨2

1
3X(6X3)X1
=
54
2
(9+4)+8/2
=
17
3
(7-6)+3X9
=
28
4
7X4+(7X3)
=
49
5
2X(5X8)/5
=
16
6
1+5-(7/7)
=
5
7
(3+6)X5X1
=
45
8
1X(2/2)+2
=
3
9
6X(2/1)+9
=
21
10
5+(3+9)-8
=
9
11
9X(5-4)X6
=
54
12
6X8X(5+7)
=
576
13
3X6-(2+1)
=
15
14
9-(3+1)+1
=
6
15
(7X5)-8X2
=
19