혼합계산 : 레벨2
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혼합계산: 레벨218
1
8-1+(6-1)
=
12
2
3X(7-3)/3
=
4
3
(6X6)-3-8
=
25
4
8-(5X7)/5
=
1
5
6-4/(3-2)
=
2
6
(3-1)X6-6
=
6
7
3X(7+8)-5
=
40
8
5-(4+7)+7
=
1
9
(8-4)-5+5
=
4
10
8X(2+6)+4
=
68
11
(6+7)-1-5
=
7
12
5X(8/4)X4
=
40
13
9+1X(6+1)
=
16
14
(3X8)+4X4
=
40
15
(9+3)/2+3
=
9