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혼합계산 : 레벨2

1
3X(6-4)X9
=
54
2
(5+1)/2/3
=
1
3
(2X2)+5-3
=
6
4
(4+5)X9-9
=
72
5
(1X5)+6-1
=
10
6
(7X2)-4-9
=
1
7
1+5+(4X2)
=
14
8
5/1+(1+5)
=
11
9
(6+2)+5-3
=
10
10
4X1+(7+3)
=
14
11
4-1+(4/1)
=
7
12
5X5-(8+4)
=
13
13
3X(9X2)-6
=
48
14
(6X6)-1+4
=
39
15
7X(6-1)+7
=
42